21836367

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 36208640

約数和(自身を除く): 14372273

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1279, 1897, 2439, 3837, 5691, 8953, 11511, 17073, 26859, 80577, 346609, 1039827, 2426263, 3119481, 7278789, 21836367]

約数ペア:

[(1, 21836367), (3, 7278789), (7, 3119481), (9, 2426263), (21, 1039827), (63, 346609), (271, 80577), (813, 26859), (1279, 17073), (1897, 11511), (2439, 8953), (3837, 5691)]