21000824548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{12343}}^1\times {\mathrm{38669}}^1$

素因数の和:51027

約数の個数: 24

約数和(自身を含む): 40096768320

約数和(自身を除く): 19095943772

約数列:

[1, 2, 4, 11, 22, 44, 12343, 24686, 38669, 49372, 77338, 135773, 154676, 271546, 425359, 543092, 850718, 1701436, 477291467, 954582934, 1909165868, 5250206137, 10500412274, 21000824548]

約数ペア:

[(1, 21000824548), (2, 10500412274), (4, 5250206137), (11, 1909165868), (22, 954582934), (44, 477291467), (12343, 1701436), (24686, 850718), (38669, 543092), (49372, 425359), (77338, 271546), (135773, 154676)]