21300910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49537}}^1$

素因数の和:49587

約数の個数: 16

約数和(自身を含む): 39234096

約数和(自身を除く): 17933186

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49537, 99074, 247685, 495370, 2130091, 4260182, 10650455, 21300910]

約数ペア:

[(1, 21300910), (2, 10650455), (5, 4260182), (10, 2130091), (43, 495370), (86, 247685), (215, 99074), (430, 49537)]