21484639

素因数分解:

${\mathrm{11}}^2\times {\mathrm{353}}^1\times {\mathrm{503}}^1$

素因数の和:878

約数の個数: 12

約数和(自身を含む): 23729328

約数和(自身を除く): 2244689

約数列:

[1, 11, 121, 353, 503, 3883, 5533, 42713, 60863, 177559, 1953149, 21484639]

約数ペア:

[(1, 21484639), (11, 1953149), (121, 177559), (353, 60863), (503, 42713), (3883, 5533)]