21572771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{443}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 24935040

約数和(自身を除く): 3362269

約数列:

[1, 11, 19, 209, 233, 443, 2563, 4427, 4873, 8417, 48697, 92587, 103219, 1135409, 1961161, 21572771]

約数ペア:

[(1, 21572771), (11, 1961161), (19, 1135409), (209, 103219), (233, 92587), (443, 48697), (2563, 8417), (4427, 4873)]