21435335481

素因数分解:

$3^1\times 7^1\times {\mathrm{5231}}^1\times {\mathrm{195131}}^1$

素因数の和:200372

約数の個数: 16

約数和(自身を含む): 32669779968

約数和(自身を除く): 11234444487

約数列:

[1, 3, 7, 21, 5231, 15693, 36617, 109851, 195131, 585393, 1365917, 4097751, 1020730261, 3062190783, 7145111827, 21435335481]

約数ペア:

[(1, 21435335481), (3, 7145111827), (7, 3062190783), (21, 1020730261), (5231, 4097751), (15693, 1365917), (36617, 585393), (109851, 195131)]