21149110

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8849}}^1$

素因数の和:9095

約数の個数: 16

約数和(自身を含む): 38232000

約数和(自身を除く): 17082890

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8849, 17698, 44245, 88490, 2114911, 4229822, 10574555, 21149110]

約数ペア:

[(1, 21149110), (2, 10574555), (5, 4229822), (10, 2114911), (239, 88490), (478, 44245), (1195, 17698), (2390, 8849)]