21612531

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{701}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8039949

約数列:

[1, 3, 43, 129, 239, 701, 717, 2103, 10277, 30143, 30831, 90429, 167539, 502617, 7204177, 21612531]

約数ペア:

[(1, 21612531), (3, 7204177), (43, 502617), (129, 167539), (239, 90429), (701, 30831), (717, 30143), (2103, 10277)]