Q: What is the sum of all factors of the number 81,621 excluding 81,621?
A: 39,339
The factors of the number 81,621 are: 1, 3, 9, 27, 3023, 9069, 27207, 81621.
If you add them up, you will get the total of 81,660. Now subtract 81,621 to get 39,339