21408808

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{14011}}^1$

素因数の和:14208

約数の個数: 16

約数和(自身を含む): 40354560

約数和(自身を除く): 18945752

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 14011, 28022, 56044, 112088, 2676101, 5352202, 10704404, 21408808]

約数ペア:

[(1, 21408808), (2, 10704404), (4, 5352202), (8, 2676101), (191, 112088), (382, 56044), (764, 28022), (1528, 14011)]