21123306

素因数分解:

$2^1\times 3^2\times {\mathrm{811}}^1\times {\mathrm{1447}}^1$

素因数の和:2266

約数の個数: 24

約数和(自身を含む): 45855264

約数和(自身を除く): 24731958

約数列:

[1, 2, 3, 6, 9, 18, 811, 1447, 1622, 2433, 2894, 4341, 4866, 7299, 8682, 13023, 14598, 26046, 1173517, 2347034, 3520551, 7041102, 10561653, 21123306]

約数ペア:

[(1, 21123306), (2, 10561653), (3, 7041102), (6, 3520551), (9, 2347034), (18, 1173517), (811, 26046), (1447, 14598), (1622, 13023), (2433, 8682), (2894, 7299), (4341, 4866)]