21351664

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36067}}^1$

素因数の和:36112

約数の個数: 20

約数和(自身を含む): 42488104

約数和(自身を除く): 21136440

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36067, 72134, 144268, 288536, 577072, 1334479, 2668958, 5337916, 10675832, 21351664]

約数ペア:

[(1, 21351664), (2, 10675832), (4, 5337916), (8, 2668958), (16, 1334479), (37, 577072), (74, 288536), (148, 144268), (296, 72134), (592, 36067)]