Q: What is the sum of all factors of the number 2,143,721 excluding 2,143,721?
A: 2,971
The factors of the number 2,143,721 are: 1, 1237, 1733, 2143721.
If you add them up, you will get the total of 2,143,723. Now subtract 2,143,721 to get 2,971