21215672390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{154667}}^1$

素因数の和:154757

約数の個数: 64

約数和(自身を含む): 44098940160

約数和(自身を除く): 22883267770

約数列:

[1, 2, 5, 10, 11, 22, 29, 43, 55, 58, 86, 110, 145, 215, 290, 319, 430, 473, 638, 946, 1247, 1595, 2365, 2494, 3190, 4730, 6235, 12470, 13717, 27434, 68585, 137170, 154667, 309334, 773335, 1546670, 1701337, 3402674, 4485343, 6650681, 8506685, 8970686, 13301362, 17013370, 22426715, 33253405, 44853430, 49338773, 66506810, 73157491, 98677546, 146314982, 192869749, 246693865, 365787455, 385739498, 493387730, 731574910, 964348745, 1928697490, 2121567239, 4243134478, 10607836195, 21215672390]

約数ペア:

[(1, 21215672390), (2, 10607836195), (5, 4243134478), (10, 2121567239), (11, 1928697490), (22, 964348745), (29, 731574910), (43, 493387730), (55, 385739498), (58, 365787455), (86, 246693865), (110, 192869749), (145, 146314982), (215, 98677546), (290, 73157491), (319, 66506810), (430, 49338773), (473, 44853430), (638, 33253405), (946, 22426715), (1247, 17013370), (1595, 13301362), (2365, 8970686), (2494, 8506685), (3190, 6650681), (4730, 4485343), (6235, 3402674), (12470, 1701337), (13717, 1546670), (27434, 773335), (68585, 309334), (137170, 154667)]