Q: What is the sum of all factors of the number 1,263,621 excluding 1,263,621?
A: 421,211
The factors of the number 1,263,621 are: 1, 3, 421207, 1263621.
If you add them up, you will get the total of 1,264,042. Now subtract 1,263,621 to get 421,211