21253110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708437}}^1$

素因数の和:708447

約数の個数: 16

約数和(自身を含む): 51007536

約数和(自身を除く): 29754426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708437, 1416874, 2125311, 3542185, 4250622, 7084370, 10626555, 21253110]

約数ペア:

[(1, 21253110), (2, 10626555), (3, 7084370), (5, 4250622), (6, 3542185), (10, 2125311), (15, 1416874), (30, 708437)]