21427871

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 2195617

約数列:

[1, 17, 41, 71, 433, 697, 1207, 2911, 7361, 17753, 30743, 49487, 301801, 522631, 1260463, 21427871]

約数ペア:

[(1, 21427871), (17, 1260463), (41, 522631), (71, 301801), (433, 49487), (697, 30743), (1207, 17753), (2911, 7361)]