21131170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124301}}^1$

素因数の和:124325

約数の個数: 16

約数和(自身を含む): 40273848

約数和(自身を除く): 19142678

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124301, 248602, 621505, 1243010, 2113117, 4226234, 10565585, 21131170]

約数ペア:

[(1, 21131170), (2, 10565585), (5, 4226234), (10, 2113117), (17, 1243010), (34, 621505), (85, 248602), (170, 124301)]