Q: What is the sum of all factors of the number 21,409,381 excluding 21,409,381?
A: 3,658,139
The factors of the number 21,409,381 are: 1, 7, 67, 191, 239, 469, 1337, 1673, 12797, 16013, 45649, 89579, 112091, 319543, 3058483, 21409381.
If you add them up, you will get the total of 21,409,384. Now subtract 21,409,381 to get 3,658,139