21203263

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2021057

約数列:

[1, 23, 29, 83, 383, 667, 1909, 2407, 8809, 11107, 31789, 55361, 255461, 731147, 921881, 21203263]

約数ペア:

[(1, 21203263), (23, 921881), (29, 731147), (83, 255461), (383, 55361), (667, 31789), (1909, 11107), (2407, 8809)]