Q: What is the sum of all factors of the number 743,421 excluding 743,421?
A: 389,443
The factors of the number 743,421 are: 1, 3, 7, 21, 35401, 106203, 247807, 743421.
If you add them up, you will get the total of 743,810. Now subtract 743,421 to get 389,443