21907084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2851}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 40966128

約数和(自身を除く): 19059044

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2851, 3842, 5702, 7684, 11404, 48467, 96934, 193868, 322163, 644326, 1288652, 5476771, 10953542, 21907084]

約数ペア:

[(1, 21907084), (2, 10953542), (4, 5476771), (17, 1288652), (34, 644326), (68, 322163), (113, 193868), (226, 96934), (452, 48467), (1921, 11404), (2851, 7684), (3842, 5702)]