21022830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2143}}^1$

素因数の和:2265

約数の個数: 48

約数和(自身を含む): 55186560

約数和(自身を除く): 34163730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 2143, 3270, 4286, 4905, 6429, 9810, 10715, 12858, 19287, 21430, 32145, 38574, 64290, 96435, 192870, 233587, 467174, 700761, 1167935, 1401522, 2102283, 2335870, 3503805, 4204566, 7007610, 10511415, 21022830]

約数ペア:

[(1, 21022830), (2, 10511415), (3, 7007610), (5, 4204566), (6, 3503805), (9, 2335870), (10, 2102283), (15, 1401522), (18, 1167935), (30, 700761), (45, 467174), (90, 233587), (109, 192870), (218, 96435), (327, 64290), (545, 38574), (654, 32145), (981, 21430), (1090, 19287), (1635, 12858), (1962, 10715), (2143, 9810), (3270, 6429), (4286, 4905)]