21550294809

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{11241677}}^1$

素因数の和:11241757

約数の個数: 16

約数和(自身を含む): 32376032640

約数和(自身を除く): 10825737831

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 11241677, 33725031, 101175093, 303525279, 798159067, 2394477201, 7183431603, 21550294809]

約数ペア:

[(1, 21550294809), (3, 7183431603), (9, 2394477201), (27, 798159067), (71, 303525279), (213, 101175093), (639, 33725031), (1917, 11241677)]