21082226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20389}}^1$

素因数の和:20449

約数の個数: 16

約数和(自身を含む): 35233920

約数和(自身を除く): 14151694

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20389, 40778, 224279, 448558, 958283, 1916566, 10541113, 21082226]

約数ペア:

[(1, 21082226), (2, 10541113), (11, 1916566), (22, 958283), (47, 448558), (94, 224279), (517, 40778), (1034, 20389)]