21568192515

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1\times {\mathrm{4759}}^1$

素因数の和:5401

約数の個数: 64

約数和(自身を含む): 39070080000

約数和(自身を除く): 17501887485

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 569, 885, 1593, 1707, 2655, 2845, 4759, 5121, 7965, 8535, 14277, 15363, 23795, 25605, 33571, 42831, 71385, 76815, 100713, 128493, 167855, 214155, 280781, 302139, 503565, 642465, 842343, 906417, 1403905, 1510695, 2527029, 2707871, 4211715, 4532085, 7581087, 8123613, 12635145, 13539355, 24370839, 37905435, 40618065, 73112517, 121854195, 159764389, 365562585, 479293167, 798821945, 1437879501, 2396465835, 4313638503, 7189397505, 21568192515]

約数ペア:

[(1, 21568192515), (3, 7189397505), (5, 4313638503), (9, 2396465835), (15, 1437879501), (27, 798821945), (45, 479293167), (59, 365562585), (135, 159764389), (177, 121854195), (295, 73112517), (531, 40618065), (569, 37905435), (885, 24370839), (1593, 13539355), (1707, 12635145), (2655, 8123613), (2845, 7581087), (4759, 4532085), (5121, 4211715), (7965, 2707871), (8535, 2527029), (14277, 1510695), (15363, 1403905), (23795, 906417), (25605, 842343), (33571, 642465), (42831, 503565), (71385, 302139), (76815, 280781), (100713, 214155), (128493, 167855)]