21893302081

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{7207}}^1\times {\mathrm{13999}}^1$

素因数の和:21244

約数の個数: 16

約数和(自身を含む): 25833472000

約数和(自身を除く): 3940169919

約数列:

[1, 7, 31, 217, 7207, 13999, 50449, 97993, 223417, 433969, 1563919, 3037783, 100890793, 706235551, 3127614583, 21893302081]

約数ペア:

[(1, 21893302081), (7, 3127614583), (31, 706235551), (217, 100890793), (7207, 3037783), (13999, 1563919), (50449, 433969), (97993, 223417)]