21788670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{726289}}^1$

素因数の和:726299

約数の個数: 16

約数和(自身を含む): 52292880

約数和(自身を除く): 30504210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 726289, 1452578, 2178867, 3631445, 4357734, 7262890, 10894335, 21788670]

約数ペア:

[(1, 21788670), (2, 10894335), (3, 7262890), (5, 4357734), (6, 3631445), (10, 2178867), (15, 1452578), (30, 726289)]