21702161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2143}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 25213440

約数和(自身を除く): 3511279

約数列:

[1, 13, 19, 41, 247, 533, 779, 2143, 10127, 27859, 40717, 87863, 529321, 1142219, 1669397, 21702161]

約数ペア:

[(1, 21702161), (13, 1669397), (19, 1142219), (41, 529321), (247, 87863), (533, 40717), (779, 27859), (2143, 10127)]