21689070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2969

約数の個数: 64

約数和(自身を含む): 59028480

約数和(自身を除く): 37339410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2927, 3705, 5854, 7410, 8781, 14635, 17562, 29270, 38051, 43905, 55613, 76102, 87810, 111226, 114153, 166839, 190255, 228306, 278065, 333678, 380510, 556130, 570765, 722969, 834195, 1141530, 1445938, 1668390, 2168907, 3614845, 4337814, 7229690, 10844535, 21689070]

約数ペア:

[(1, 21689070), (2, 10844535), (3, 7229690), (5, 4337814), (6, 3614845), (10, 2168907), (13, 1668390), (15, 1445938), (19, 1141530), (26, 834195), (30, 722969), (38, 570765), (39, 556130), (57, 380510), (65, 333678), (78, 278065), (95, 228306), (114, 190255), (130, 166839), (190, 114153), (195, 111226), (247, 87810), (285, 76102), (390, 55613), (494, 43905), (570, 38051), (741, 29270), (1235, 17562), (1482, 14635), (2470, 8781), (2927, 7410), (3705, 5854)]