21035001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31727}}^1$

素因数の和:31760

約数の個数: 16

約数和(自身を含む): 31981824

約数和(自身を除く): 10946823

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31727, 95181, 412451, 539359, 1237353, 1618077, 7011667, 21035001]

約数ペア:

[(1, 21035001), (3, 7011667), (13, 1618077), (17, 1237353), (39, 539359), (51, 412451), (221, 95181), (663, 31727)]