Q: What is the sum of all factors of the number 21,408,777 excluding 21,408,777?
A: 11,893,947
The factors of the number 21,408,777 are: 1, 3, 9, 13, 39, 117, 182981, 548943, 1646829, 2378753, 7136259, 21408777.
If you add them up, you will get the total of 21,408,788. Now subtract 21,408,777 to get 11,893,947