21997162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7873}}^1$

素因数の和:8013

約数の個数: 16

約数和(自身を含む): 36283392

約数和(自身を除く): 14286230

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7873, 15746, 86603, 173206, 999871, 1999742, 10998581, 21997162]

約数ペア:

[(1, 21997162), (2, 10998581), (11, 1999742), (22, 999871), (127, 173206), (254, 86603), (1397, 15746), (2794, 7873)]