21365267

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{947}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 26756352

約数和(自身を除く): 5391085

約数列:

[1, 7, 11, 77, 293, 947, 2051, 3223, 6629, 10417, 22561, 72919, 277471, 1942297, 3052181, 21365267]

約数ペア:

[(1, 21365267), (7, 3052181), (11, 1942297), (77, 277471), (293, 72919), (947, 22561), (2051, 10417), (3223, 6629)]