21683427

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2423}}^1$

素因数の和:2602

約数の個数: 16

約数和(自身を含む): 30639360

約数和(自身を除く): 8955933

約数列:

[1, 3, 19, 57, 157, 471, 2423, 2983, 7269, 8949, 46037, 138111, 380411, 1141233, 7227809, 21683427]

約数ペア:

[(1, 21683427), (3, 7227809), (19, 1141233), (57, 380411), (157, 138111), (471, 46037), (2423, 8949), (2983, 7269)]