21339141

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 29090880

約数和(自身を除く): 7751739

約数列:

[1, 3, 73, 139, 219, 417, 701, 2103, 10147, 30441, 51173, 97439, 153519, 292317, 7113047, 21339141]

約数ペア:

[(1, 21339141), (3, 7113047), (73, 292317), (139, 153519), (219, 97439), (417, 51173), (701, 30441), (2103, 10147)]