Q: What is the sum of all factors of the number 42,100 excluding 42,100?
A: 49,474
The factors of the number 42,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 1684, 2105, 4210, 8420, 10525, 21050, 42100.
If you add them up, you will get the total of 42,149. Now subtract 42,100 to get 49,474