Q: What is the sum of all factors of the number 221,636 excluding 221,636?
A: 172,492
The factors of the number 221,636 are: 1, 2, 4, 67, 134, 268, 827, 1654, 3308, 55409, 110818, 221636.
If you add them up, you will get the total of 221,808. Now subtract 221,636 to get 172,492