21844840

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^2$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 49217490

約数和(自身を除く): 27372650

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 14780, 29560, 546121, 1092242, 2184484, 2730605, 4368968, 5461210, 10922420, 21844840]

約数ペア:

[(1, 21844840), (2, 10922420), (4, 5461210), (5, 4368968), (8, 2730605), (10, 2184484), (20, 1092242), (40, 546121), (739, 29560), (1478, 14780), (2956, 7390), (3695, 5912)]