21666164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11261}}^1$

素因数の和:11315

約数の個数: 24

約数和(自身を含む): 41939688

約数和(自身を除く): 20273524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11261, 22522, 45044, 146393, 292786, 416657, 585572, 833314, 1666628, 5416541, 10833082, 21666164]

約数ペア:

[(1, 21666164), (2, 10833082), (4, 5416541), (13, 1666628), (26, 833314), (37, 585572), (52, 416657), (74, 292786), (148, 146393), (481, 45044), (962, 22522), (1924, 11261)]