21785730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{726191}}^1$

素因数の和:726201

約数の個数: 16

約数和(自身を含む): 52285824

約数和(自身を除く): 30500094

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 726191, 1452382, 2178573, 3630955, 4357146, 7261910, 10892865, 21785730]

約数ペア:

[(1, 21785730), (2, 10892865), (3, 7261910), (5, 4357146), (6, 3630955), (10, 2178573), (15, 1452382), (30, 726191)]