21830481

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{65557}}^1$

素因数の和:65600

約数の個数: 12

約数和(自身を含む): 32385652

約数和(自身を除く): 10555171

約数列:

[1, 3, 9, 37, 111, 333, 65557, 196671, 590013, 2425609, 7276827, 21830481]

約数ペア:

[(1, 21830481), (3, 7276827), (9, 2425609), (37, 590013), (111, 196671), (333, 65557)]