21905834

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2621

約数の個数: 16

約数和(自身を含む): 33963072

約数和(自身を除く): 12057238

約数列:

[1, 2, 43, 86, 103, 206, 2473, 4429, 4946, 8858, 106339, 212678, 254719, 509438, 10952917, 21905834]

約数ペア:

[(1, 21905834), (2, 10952917), (43, 509438), (86, 254719), (103, 212678), (206, 106339), (2473, 8858), (4429, 4946)]