21027710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191161}}^1$

素因数の和:191179

約数の個数: 16

約数和(自身を含む): 41290992

約数和(自身を除く): 20263282

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191161, 382322, 955805, 1911610, 2102771, 4205542, 10513855, 21027710]

約数ペア:

[(1, 21027710), (2, 10513855), (5, 4205542), (10, 2102771), (11, 1911610), (22, 955805), (55, 382322), (110, 191161)]