21853494

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1613

約数の個数: 48

約数和(自身を含む): 51861264

約数和(自身を除く): 30007770

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1531, 1586, 2379, 3062, 4593, 4758, 7137, 9186, 13779, 14274, 19903, 27558, 39806, 59709, 93391, 119418, 179127, 186782, 280173, 358254, 560346, 840519, 1214083, 1681038, 2428166, 3642249, 7284498, 10926747, 21853494]

約数ペア:

[(1, 21853494), (2, 10926747), (3, 7284498), (6, 3642249), (9, 2428166), (13, 1681038), (18, 1214083), (26, 840519), (39, 560346), (61, 358254), (78, 280173), (117, 186782), (122, 179127), (183, 119418), (234, 93391), (366, 59709), (549, 39806), (793, 27558), (1098, 19903), (1531, 14274), (1586, 13779), (2379, 9186), (3062, 7137), (4593, 4758)]