21918338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2917}}^1$

素因数の和:2966

約数の個数: 24

約数和(自身を含む): 37624692

約数和(自身を除く): 15706354

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2917, 3757, 5834, 7514, 37921, 49589, 75842, 99178, 644657, 843013, 1289314, 1686026, 10959169, 21918338]

約数ペア:

[(1, 21918338), (2, 10959169), (13, 1686026), (17, 1289314), (26, 843013), (34, 644657), (221, 99178), (289, 75842), (442, 49589), (578, 37921), (2917, 7514), (3757, 5834)]