21624928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 46252080

約数和(自身を除く): 24627152

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 227, 229, 416, 454, 458, 908, 916, 1816, 1832, 2951, 2977, 3632, 3664, 5902, 5954, 7264, 7328, 11804, 11908, 23608, 23816, 47216, 47632, 51983, 94432, 95264, 103966, 207932, 415864, 675779, 831728, 1351558, 1663456, 2703116, 5406232, 10812464, 21624928]

約数ペア:

[(1, 21624928), (2, 10812464), (4, 5406232), (8, 2703116), (13, 1663456), (16, 1351558), (26, 831728), (32, 675779), (52, 415864), (104, 207932), (208, 103966), (227, 95264), (229, 94432), (416, 51983), (454, 47632), (458, 47216), (908, 23816), (916, 23608), (1816, 11908), (1832, 11804), (2951, 7328), (2977, 7264), (3632, 5954), (3664, 5902)]