21080326

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2927

約数の個数: 16

約数和(自身を含む): 32682528

約数和(自身を除く): 11602202

約数列:

[1, 2, 53, 71, 106, 142, 2801, 3763, 5602, 7526, 148453, 198871, 296906, 397742, 10540163, 21080326]

約数ペア:

[(1, 21080326), (2, 10540163), (53, 397742), (71, 296906), (106, 198871), (142, 148453), (2801, 7526), (3763, 5602)]