Q: What is the sum of all factors of the number 40,821 excluding 40,821?
A: 18,603
The factors of the number 40,821 are: 1, 3, 11, 33, 1237, 3711, 13607, 40821.
If you add them up, you will get the total of 40,839. Now subtract 40,821 to get 18,603