21239472

素因数分解:

$2^4\times 3^1\times {\mathrm{442489}}^1$

素因数の和:442500

約数の個数: 20

約数和(自身を含む): 54868760

約数和(自身を除く): 33629288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442489, 884978, 1327467, 1769956, 2654934, 3539912, 5309868, 7079824, 10619736, 21239472]

約数ペア:

[(1, 21239472), (2, 10619736), (3, 7079824), (4, 5309868), (6, 3539912), (8, 2654934), (12, 1769956), (16, 1327467), (24, 884978), (48, 442489)]