Q: What is the sum of all factors of the number 172,221 excluding 172,221?
A: 96,579
The factors of the number 172,221 are: 1, 3, 7, 21, 59, 139, 177, 413, 417, 973, 1239, 2919, 8201, 24603, 57407, 172221.
If you add them up, you will get the total of 172,317. Now subtract 172,221 to get 96,579