21522017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 25225344

約数和(自身を除く): 3703327

約数列:

[1, 11, 17, 71, 187, 781, 1207, 1621, 13277, 17831, 27557, 115091, 303127, 1266001, 1956547, 21522017]

約数ペア:

[(1, 21522017), (11, 1956547), (17, 1266001), (71, 303127), (187, 115091), (781, 27557), (1207, 17831), (1621, 13277)]