Q: What is the sum of all factors of the number 21,431,217 excluding 21,431,217?
A: 7,143,743
The factors of the number 21,431,217 are: 1, 3, 7143739, 21431217.
If you add them up, you will get the total of 21,431,224. Now subtract 21,431,217 to get 7,143,743