21354608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121333}}^1$

素因数の和:121352

約数の個数: 20

約数和(自身を含む): 45136248

約数和(自身を除く): 23781640

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121333, 242666, 485332, 970664, 1334663, 1941328, 2669326, 5338652, 10677304, 21354608]

約数ペア:

[(1, 21354608), (2, 10677304), (4, 5338652), (8, 2669326), (11, 1941328), (16, 1334663), (22, 970664), (44, 485332), (88, 242666), (176, 121333)]