21250871822

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2126363}}^1$

素因数の和:2126647

約数の個数: 16

約数和(自身を含む): 33681605760

約数和(自身を除く): 12430733938

約数列:

[1, 2, 19, 38, 263, 526, 4997, 9994, 2126363, 4252726, 40400897, 80801794, 559233469, 1118466938, 10625435911, 21250871822]

約数ペア:

[(1, 21250871822), (2, 10625435911), (19, 1118466938), (38, 559233469), (263, 80801794), (526, 40400897), (4997, 4252726), (9994, 2126363)]