21068000001

素因数分解:

$3^2\times {\mathrm{449}}^1\times {\mathrm{5213561}}^1$

素因数の和:5214016

約数の個数: 12

約数和(自身を含む): 30499337700

約数和(自身を除く): 9431337699

約数列:

[1, 3, 9, 449, 1347, 4041, 5213561, 15640683, 46922049, 2340888889, 7022666667, 21068000001]

約数ペア:

[(1, 21068000001), (3, 7022666667), (9, 2340888889), (449, 46922049), (1347, 15640683), (4041, 5213561)]