21421484

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12967}}^1$

素因数の和:13037

約数の個数: 24

約数和(自身を含む): 43572480

約数和(自身を除く): 22150996

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12967, 25934, 51868, 90769, 181538, 363076, 765053, 1530106, 3060212, 5355371, 10710742, 21421484]

約数ペア:

[(1, 21421484), (2, 10710742), (4, 5355371), (7, 3060212), (14, 1530106), (28, 765053), (59, 363076), (118, 181538), (236, 90769), (413, 51868), (826, 25934), (1652, 12967)]