21435531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1531}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 30885120

約数和(自身を除く): 9449589

約数列:

[1, 3, 13, 39, 359, 1077, 1531, 4593, 4667, 14001, 19903, 59709, 549629, 1648887, 7145177, 21435531]

約数ペア:

[(1, 21435531), (3, 7145177), (13, 1648887), (39, 549629), (359, 59709), (1077, 19903), (1531, 14001), (4593, 4667)]