21137566905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5161799}}^1$

素因数の和:5161830

約数の個数: 48

約数和(自身を含む): 45093484800

約数和(自身を除く): 23955917895

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5161799, 15485397, 25808995, 36132593, 46456191, 67103387, 77426985, 108397779, 180662965, 201310161, 232280955, 325193337, 335516935, 469723709, 541988895, 603930483, 1006550805, 1409171127, 1625966685, 2348618545, 3019652415, 4227513381, 7045855635, 21137566905]

約数ペア:

[(1, 21137566905), (3, 7045855635), (5, 4227513381), (7, 3019652415), (9, 2348618545), (13, 1625966685), (15, 1409171127), (21, 1006550805), (35, 603930483), (39, 541988895), (45, 469723709), (63, 335516935), (65, 325193337), (91, 232280955), (105, 201310161), (117, 180662965), (195, 108397779), (273, 77426985), (315, 67103387), (455, 46456191), (585, 36132593), (819, 25808995), (1365, 15485397), (4095, 5161799)]