21948828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 56173824

約数和(自身を除く): 34224996

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 257, 514, 647, 771, 1028, 1294, 1542, 1941, 2588, 2827, 3084, 3882, 5654, 7117, 7764, 8481, 11308, 14234, 16962, 21351, 28468, 33924, 42702, 85404, 166279, 332558, 498837, 665116, 997674, 1829069, 1995348, 3658138, 5487207, 7316276, 10974414, 21948828]

約数ペア:

[(1, 21948828), (2, 10974414), (3, 7316276), (4, 5487207), (6, 3658138), (11, 1995348), (12, 1829069), (22, 997674), (33, 665116), (44, 498837), (66, 332558), (132, 166279), (257, 85404), (514, 42702), (647, 33924), (771, 28468), (1028, 21351), (1294, 16962), (1542, 14234), (1941, 11308), (2588, 8481), (2827, 7764), (3084, 7117), (3882, 5654)]