21859216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{44071}}^1$

素因数の和:44110

約数の個数: 20

約数和(自身を含む): 43719424

約数和(自身を除く): 21860208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 44071, 88142, 176284, 352568, 705136, 1366201, 2732402, 5464804, 10929608, 21859216]

約数ペア:

[(1, 21859216), (2, 10929608), (4, 5464804), (8, 2732402), (16, 1366201), (31, 705136), (62, 352568), (124, 176284), (248, 88142), (496, 44071)]