21004588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28081}}^1$

素因数の和:28113

約数の個数: 24

約数和(自身を含む): 42459984

約数和(自身を除く): 21455396

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28081, 56162, 112324, 308891, 477377, 617782, 954754, 1235564, 1909508, 5251147, 10502294, 21004588]

約数ペア:

[(1, 21004588), (2, 10502294), (4, 5251147), (11, 1909508), (17, 1235564), (22, 954754), (34, 617782), (44, 477377), (68, 308891), (187, 112324), (374, 56162), (748, 28081)]