21658024

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3851}}^1$

素因数の和:3913

約数の個数: 32

約数和(自身を含む): 43912800

約数和(自身を除く): 22254776

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3851, 5624, 7702, 15404, 30808, 73169, 142487, 146338, 284974, 292676, 569948, 585352, 1139896, 2707253, 5414506, 10829012, 21658024]

約数ペア:

[(1, 21658024), (2, 10829012), (4, 5414506), (8, 2707253), (19, 1139896), (37, 585352), (38, 569948), (74, 292676), (76, 284974), (148, 146338), (152, 142487), (296, 73169), (703, 30808), (1406, 15404), (2812, 7702), (3851, 5624)]