Q: What is the sum of all factors of the number 1,521,378 excluding 1,521,378?
A: 1,774,980
The factors of the number 1,521,378 are: 1, 2, 3, 6, 9, 18, 84521, 169042, 253563, 507126, 760689, 1521378.
If you add them up, you will get the total of 1,521,379. Now subtract 1,521,378 to get 1,774,980