Q: What is the sum of all factors of the number 1,263,421 excluding 1,263,421?
A: 3,423
The factors of the number 1,263,421 are: 1, 421, 3001, 1263421.
If you add them up, you will get the total of 1,263,424. Now subtract 1,263,421 to get 3,423