21109710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{703657}}^1$

素因数の和:703667

約数の個数: 16

約数和(自身を含む): 50663376

約数和(自身を除く): 29553666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 703657, 1407314, 2110971, 3518285, 4221942, 7036570, 10554855, 21109710]

約数ペア:

[(1, 21109710), (2, 10554855), (3, 7036570), (5, 4221942), (6, 3518285), (10, 2110971), (15, 1407314), (30, 703657)]