Q: What is the sum of all factors of the number 221,421 excluding 221,421?
A: 86,739
The factors of the number 221,421 are: 1, 3, 23, 69, 3209, 9627, 73807, 221421.
If you add them up, you will get the total of 221,507. Now subtract 221,421 to get 86,739