21718416

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{2029}}^1$

素因数の和:2263

約数の個数: 40

約数和(自身を含む): 56385280

約数和(自身を除く): 34666864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 2029, 2676, 3568, 4058, 5352, 6087, 8116, 10704, 12174, 16232, 24348, 32464, 48696, 97392, 452467, 904934, 1357401, 1809868, 2714802, 3619736, 5429604, 7239472, 10859208, 21718416]

約数ペア:

[(1, 21718416), (2, 10859208), (3, 7239472), (4, 5429604), (6, 3619736), (8, 2714802), (12, 1809868), (16, 1357401), (24, 904934), (48, 452467), (223, 97392), (446, 48696), (669, 32464), (892, 24348), (1338, 16232), (1784, 12174), (2029, 10704), (2676, 8116), (3568, 6087), (4058, 5352)]