21276510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709217}}^1$

素因数の和:709227

約数の個数: 16

約数和(自身を含む): 51063696

約数和(自身を除く): 29787186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709217, 1418434, 2127651, 3546085, 4255302, 7092170, 10638255, 21276510]

約数ペア:

[(1, 21276510), (2, 10638255), (3, 7092170), (5, 4255302), (6, 3546085), (10, 2127651), (15, 1418434), (30, 709217)]