21650866

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{1087}}^1$

素因数の和:1545

約数の個数: 16

約数和(自身を含む): 33997824

約数和(自身を除く): 12346958

約数列:

[1, 2, 23, 46, 433, 866, 1087, 2174, 9959, 19918, 25001, 50002, 470671, 941342, 10825433, 21650866]

約数ペア:

[(1, 21650866), (2, 10825433), (23, 941342), (46, 470671), (433, 50002), (866, 25001), (1087, 19918), (2174, 9959)]