21468223

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 26725248

約数和(自身を除く): 5257025

約数列:

[1, 7, 23, 43, 49, 161, 301, 443, 989, 1127, 2107, 3101, 6923, 10189, 19049, 21707, 48461, 71323, 133343, 438127, 499261, 933401, 3066889, 21468223]

約数ペア:

[(1, 21468223), (7, 3066889), (23, 933401), (43, 499261), (49, 438127), (161, 133343), (301, 71323), (443, 48461), (989, 21707), (1127, 19049), (2107, 10189), (3101, 6923)]