21690522

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{172147}}^1$

素因数の和:172162

約数の個数: 24

約数和(自身を含む): 53710176

約数和(自身を除く): 32019654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 172147, 344294, 516441, 1032882, 1205029, 1549323, 2410058, 3098646, 3615087, 7230174, 10845261, 21690522]

約数ペア:

[(1, 21690522), (2, 10845261), (3, 7230174), (6, 3615087), (7, 3098646), (9, 2410058), (14, 1549323), (18, 1205029), (21, 1032882), (42, 516441), (63, 344294), (126, 172147)]