21514095

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28123}}^1$

素因数の和:28151

約数の個数: 24

約数和(自身を含む): 39486096

約数和(自身を除く): 17972001

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 28123, 84369, 140615, 253107, 421845, 478091, 1265535, 1434273, 2390455, 4302819, 7171365, 21514095]

約数ペア:

[(1, 21514095), (3, 7171365), (5, 4302819), (9, 2390455), (15, 1434273), (17, 1265535), (45, 478091), (51, 421845), (85, 253107), (153, 140615), (255, 84369), (765, 28123)]