21987642

素因数分解:

$2^1\times 3^1\times {\mathrm{937}}^1\times {\mathrm{3911}}^1$

素因数の和:4853

約数の個数: 16

約数和(自身を含む): 44033472

約数和(自身を除く): 22045830

約数列:

[1, 2, 3, 6, 937, 1874, 2811, 3911, 5622, 7822, 11733, 23466, 3664607, 7329214, 10993821, 21987642]

約数ペア:

[(1, 21987642), (2, 10993821), (3, 7329214), (6, 3664607), (937, 23466), (1874, 11733), (2811, 7822), (3911, 5622)]