21726660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1$

素因数の和:11724

約数の個数: 48

約数和(自身を含む): 62802432

約数和(自身を除く): 41075772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11681, 23362, 35043, 46724, 58405, 70086, 116810, 140172, 175215, 233620, 350430, 362111, 700860, 724222, 1086333, 1448444, 1810555, 2172666, 3621110, 4345332, 5431665, 7242220, 10863330, 21726660]

約数ペア:

[(1, 21726660), (2, 10863330), (3, 7242220), (4, 5431665), (5, 4345332), (6, 3621110), (10, 2172666), (12, 1810555), (15, 1448444), (20, 1086333), (30, 724222), (31, 700860), (60, 362111), (62, 350430), (93, 233620), (124, 175215), (155, 140172), (186, 116810), (310, 70086), (372, 58405), (465, 46724), (620, 35043), (930, 23362), (1860, 11681)]