Q: What is the sum of all factors of the number 83,421 excluding 83,421?
A: 56,355
The factors of the number 83,421 are: 1, 3, 9, 13, 23, 31, 39, 69, 93, 117, 207, 279, 299, 403, 713, 897, 1209, 2139, 2691, 3627, 6417, 9269, 27807, 83421.
If you add them up, you will get the total of 83,477. Now subtract 83,421 to get 56,355