21318138

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{3299}}^1$

素因数の和:3666

約数の個数: 24

約数和(自身を含む): 46332000

約数和(自身を除く): 25013862

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 3231, 3299, 6462, 6598, 9897, 19794, 29691, 59382, 1184341, 2368682, 3553023, 7106046, 10659069, 21318138]

約数ペア:

[(1, 21318138), (2, 10659069), (3, 7106046), (6, 3553023), (9, 2368682), (18, 1184341), (359, 59382), (718, 29691), (1077, 19794), (2154, 9897), (3231, 6598), (3299, 6462)]