21902013915

素因数分解:

$3^1\times 5^1\times {\mathrm{279131}}^1\times {\mathrm{5231}}^1$

素因数の和:284370

約数の個数: 16

約数和(自身を含む): 35050046976

約数和(自身を除く): 13148033061

約数列:

[1, 3, 5, 15, 5231, 15693, 26155, 78465, 279131, 837393, 1395655, 4186965, 1460134261, 4380402783, 7300671305, 21902013915]

約数ペア:

[(1, 21902013915), (3, 7300671305), (5, 4380402783), (15, 1460134261), (5231, 4186965), (15693, 1395655), (26155, 837393), (78465, 279131)]