21398730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9029}}^1$

素因数の和:9118

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 30614070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 9029, 18058, 27087, 45145, 54174, 90290, 135435, 270870, 713291, 1426582, 2139873, 3566455, 4279746, 7132910, 10699365, 21398730]

約数ペア:

[(1, 21398730), (2, 10699365), (3, 7132910), (5, 4279746), (6, 3566455), (10, 2139873), (15, 1426582), (30, 713291), (79, 270870), (158, 135435), (237, 90290), (395, 54174), (474, 45145), (790, 27087), (1185, 18058), (2370, 9029)]