21122685

素因数分解:

$3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1279}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 36741120

約数和(自身を除く): 15618435

約数列:

[1, 3, 5, 9, 15, 45, 367, 1101, 1279, 1835, 3303, 3837, 5505, 6395, 11511, 16515, 19185, 57555, 469393, 1408179, 2346965, 4224537, 7040895, 21122685]

約数ペア:

[(1, 21122685), (3, 7040895), (5, 4224537), (9, 2346965), (15, 1408179), (45, 469393), (367, 57555), (1101, 19185), (1279, 16515), (1835, 11511), (3303, 6395), (3837, 5505)]