Q: What is the sum of all factors of the number 1,987,021 excluding 1,987,021?
A: 2,991
The factors of the number 1,987,021 are: 1, 997, 1993, 1987021.
If you add them up, you will get the total of 1,987,023. Now subtract 1,987,021 to get 2,991