21805230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{726841}}^1$

素因数の和:726851

約数の個数: 16

約数和(自身を含む): 52332624

約数和(自身を除く): 30527394

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 726841, 1453682, 2180523, 3634205, 4361046, 7268410, 10902615, 21805230]

約数ペア:

[(1, 21805230), (2, 10902615), (3, 7268410), (5, 4361046), (6, 3634205), (10, 2180523), (15, 1453682), (30, 726841)]