21250871818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1967309}}^1$

素因数の和:1967813

約数の個数: 16

約数和(自身を含む): 34844994720

約数和(自身を除く): 13594122902

約数列:

[1, 2, 11, 22, 491, 982, 5401, 10802, 1967309, 3934618, 21640399, 43280798, 965948719, 1931897438, 10625435909, 21250871818]

約数ペア:

[(1, 21250871818), (2, 10625435909), (11, 1931897438), (22, 965948719), (491, 43280798), (982, 21640399), (5401, 3934618), (10802, 1967309)]