21067682

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:745

約数の個数: 16

約数和(自身を含む): 32085504

約数和(自身を除く): 11017822

約数列:

[1, 2, 131, 191, 262, 382, 421, 842, 25021, 50042, 55151, 80411, 110302, 160822, 10533841, 21067682]

約数ペア:

[(1, 21067682), (2, 10533841), (131, 160822), (191, 110302), (262, 80411), (382, 55151), (421, 50042), (842, 25021)]