21232830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 56586240

約数和(自身を除く): 35353410

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 79, 85, 93, 102, 155, 158, 170, 186, 237, 255, 289, 310, 395, 465, 474, 510, 527, 578, 790, 867, 930, 1054, 1185, 1343, 1445, 1581, 1734, 2370, 2449, 2635, 2686, 2890, 3162, 4029, 4335, 4898, 5270, 6715, 7347, 7905, 8058, 8670, 8959, 12245, 13430, 14694, 15810, 17918, 20145, 22831, 24490, 26877, 36735, 40290, 41633, 44795, 45662, 53754, 68493, 73470, 83266, 89590, 114155, 124899, 134385, 136986, 208165, 228310, 249798, 268770, 342465, 416330, 624495, 684930, 707761, 1248990, 1415522, 2123283, 3538805, 4246566, 7077610, 10616415, 21232830]

約数ペア:

[(1, 21232830), (2, 10616415), (3, 7077610), (5, 4246566), (6, 3538805), (10, 2123283), (15, 1415522), (17, 1248990), (30, 707761), (31, 684930), (34, 624495), (51, 416330), (62, 342465), (79, 268770), (85, 249798), (93, 228310), (102, 208165), (155, 136986), (158, 134385), (170, 124899), (186, 114155), (237, 89590), (255, 83266), (289, 73470), (310, 68493), (395, 53754), (465, 45662), (474, 44795), (510, 41633), (527, 40290), (578, 36735), (790, 26877), (867, 24490), (930, 22831), (1054, 20145), (1185, 17918), (1343, 15810), (1445, 14694), (1581, 13430), (1734, 12245), (2370, 8959), (2449, 8670), (2635, 8058), (2686, 7905), (2890, 7347), (3162, 6715), (4029, 5270), (4335, 4898)]