Q: What is the sum of all factors of the number 2,143,399 excluding 2,143,399?
A: 4,721
The factors of the number 2,143,399 are: 1, 509, 4211, 2143399.
If you add them up, you will get the total of 2,143,403. Now subtract 2,143,399 to get 4,721