Q: What is the sum of all factors of the number 416,421 excluding 416,421?
A: 223,911
The factors of the number 416,421 are: 1, 3, 9, 27, 53, 81, 97, 159, 291, 477, 873, 1431, 2619, 4293, 5141, 7857, 15423, 46269, 138807, 416421.
If you add them up, you will get the total of 416,644. Now subtract 416,421 to get 223,911