368617 ÷ 21 
We're looking to find how many times 21 goes into 368617.

Moving on to step 1:
21 can be fit into 3 0 times, resulting in a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Take the next digit (6) from the dividend and append it to 3, then repeat: 36 / 21

Going ahead to step 2:
If we divide 36 by 21, we get 1 and a remainder of 15.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 21 from 36, we get 15.
Fetch the next digit (8) from the dividend, attach it to 15 and continue: 158 / 21

Moving on to step 3:
If we divide 158 by 21, we get 7 and a remainder of 11.
Use 7 as the next digit of our solution. 
Result so far: 17.0
Subtracting 147 from 158 leaves us with 11.
Grab the next digit (6) from the dividend, add it to 11, then carry on: 116 / 21

Advancing to step 4:
21 goes into 116 5 times with a remainder of 11.
Record the quotient 5 as the next digit in the result. 
Result so far: 175.0
The remainder is 11 after subtracting 105 from 116.
Take the next digit (1) from the dividend and append it to 11, then repeat: 111 / 21

Moving on to step 5:
The number 21 fits into 111 5 times, leaving a remainder of 6.
Use 5 as the next digit of our solution. 
Result so far: 1755.0
Deduct 105 from 111 and we're left with 6.
Fetch the next digit (7) from the dividend, attach it to 6 and continue: 67 / 21

Advancing to step 6:
When dividing 67 by 21, we get 3 with a remainder of 4.
Put 3 as the next digit of the answer. 
Result so far: 17553.0
Deduct 63 from 67 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 7:
When dividing 40 by 21, we get 1 with a remainder of 19.
Put 1 as the next digit of the answer. 
Result so far: 17553.1
If we take 21 away from 40, we end up with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Let's proceed to step 8:
When dividing 190 by 21, we get 9 with a remainder of 1.
Write down 9 as next digit of the result. 
Result so far: 17553.19
If we take 189 away from 190, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 9:
When dividing 10 by 21, we get 0 with a remainder of 10.
The next digit of our result is 0. 
Result so far: 17553.19
If we take 0 away from 10, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 10:
21 can be fit into 100 4 times, resulting in a remainder of 16.
Use 4 as the next digit of our solution. 
Result so far: 17553.1904
Subtracting 84 from 100 leaves us with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 11:
21 goes into 160 7 times with a remainder of 13.
Write down 7 as next digit of the result. 
Result so far: 17553.19047
If we take 147 away from 160, we end up with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Step 12:
21 can be fit into 130 6 times, resulting in a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 17553.190476
Subtract 126 from 130 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 13:
If we divide 40 by 21, we get 1 and a remainder of 19.
Record the quotient 1 as the next digit in the result. 
Result so far: 17553.1904761
If we take 21 away from 40, we end up with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Step 14:
190 divided by 21 is 9 with a remainder of 1.
Put 9 as the next digit of the answer. 
Result so far: 17553.19047619
If we take 189 away from 190, we end up with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

The quotient of the division is 17553.19047619, and the remainder is 1e-09.