Q: What is the sum of all factors of the number 1,421,657 excluding 1,421,657?
A: 3,979
The factors of the number 1,421,657 are: 1, 397, 3581, 1421657.
If you add them up, you will get the total of 1,421,660. Now subtract 1,421,657 to get 3,979