21005468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6043}}^1$

素因数の和:6137

約数の個数: 24

約数和(自身を含む): 40615680

約数和(自身を除く): 19610212

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 6043, 12086, 24172, 66473, 132946, 265892, 477397, 954794, 1909588, 5251367, 10502734, 21005468]

約数ペア:

[(1, 21005468), (2, 10502734), (4, 5251367), (11, 1909588), (22, 954794), (44, 477397), (79, 265892), (158, 132946), (316, 66473), (869, 24172), (1738, 12086), (3476, 6043)]