286184 ÷ 21 
We want to divide 286184 by 21.

Advancing to step 1:
2 divided by 21 is 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Grab the next digit (8) from the dividend, add it to 2, then carry on: 28 / 21

On to step 2:
If we divide 28 by 21, we get 1 and a remainder of 7.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 21 from 28 to get 7.
Include the next digit (6) from the dividend after 7, then repeat: 76 / 21

Going ahead to step 3:
If we divide 76 by 21, we get 3 and a remainder of 13.
The number 3 becomes the next digit in our result. 
Result so far: 13.0
The remainder is 13 after subtracting 63 from 76.
Append the next digit (1) from the dividend to 13 and continue with: 131 / 21

On to step 4:
If we divide 131 by 21, we get 6 and a remainder of 5.
Use 6 as the next digit of our solution. 
Result so far: 136.0
If we take 126 away from 131, we end up with 5.
Take the next digit (8) from the dividend and append it to 5, then repeat: 58 / 21

Step 5:
If we divide 58 by 21, we get 2 and a remainder of 16.
Put 2 as the next digit of the answer. 
Result so far: 1362.0
Deduct 42 from 58 and we're left with 16.
Grab the next digit (4) from the dividend, add it to 16, then carry on: 164 / 21

Going ahead to step 6:
When dividing 164 by 21, we get 7 with a remainder of 17.
Put 7 as the next digit of the answer. 
Result so far: 13627.0
The remainder is 17 after subtracting 147 from 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Going ahead to step 7:
When dividing 170 by 21, we get 8 with a remainder of 2.
The number 8 becomes the next digit in our result. 
Result so far: 13627.8
Deduct 168 from 170 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 8:
21 can be fit into 20 0 times, resulting in a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 13627.8
Subtracting 0 from 20 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 9:
If we divide 200 by 21, we get 9 and a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 13627.809
The remainder is 11 after subtracting 189 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Advancing to step 10:
21 goes into 110 5 times with a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 13627.8095
The remainder is 5 after subtracting 105 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 11:
If we divide 50 by 21, we get 2 and a remainder of 8.
The number 2 becomes the next digit in our result. 
Result so far: 13627.80952
The remainder is 8 after subtracting 42 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 12:
80 divided by 21 is 3 with a remainder of 17.
Record the quotient 3 as the next digit in the result. 
Result so far: 13627.809523
The remainder is 17 after subtracting 63 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Step 13:
21 goes into 170 8 times with a remainder of 2.
Put 8 as the next digit of the answer. 
Result so far: 13627.8095238
If we take 168 away from 170, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 14:
21 can be fit into 20 0 times, resulting in a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 13627.8095238
If we take 0 away from 20, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

After the division, we end up with 13627.8095238 and a remainder of 2e-08.