21000481510

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20388817}}^1$

素因数の和:20388927

約数の個数: 16

約数和(自身を含む): 38167867296

約数和(自身を除く): 17167385786

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 20388817, 40777634, 101944085, 203888170, 2100048151, 4200096302, 10500240755, 21000481510]

約数ペア:

[(1, 21000481510), (2, 10500240755), (5, 4200096302), (10, 2100048151), (103, 203888170), (206, 101944085), (515, 40777634), (1030, 20388817)]