21858252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2297}}^1$

素因数の和:2378

約数の個数: 48

約数和(自身を含む): 55850592

約数和(自身を除く): 33992340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2297, 2379, 3172, 4594, 4758, 6891, 9188, 9516, 13782, 27564, 29861, 59722, 89583, 119444, 140117, 179166, 280234, 358332, 420351, 560468, 840702, 1681404, 1821521, 3643042, 5464563, 7286084, 10929126, 21858252]

約数ペア:

[(1, 21858252), (2, 10929126), (3, 7286084), (4, 5464563), (6, 3643042), (12, 1821521), (13, 1681404), (26, 840702), (39, 560468), (52, 420351), (61, 358332), (78, 280234), (122, 179166), (156, 140117), (183, 119444), (244, 89583), (366, 59722), (732, 29861), (793, 27564), (1586, 13782), (2297, 9516), (2379, 9188), (3172, 6891), (4594, 4758)]