21899655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28627}}^1$

素因数の和:28655

約数の個数: 24

約数和(自身を含む): 40193712

約数和(自身を除く): 18294057

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 28627, 85881, 143135, 257643, 429405, 486659, 1288215, 1459977, 2433295, 4379931, 7299885, 21899655]

約数ペア:

[(1, 21899655), (3, 7299885), (5, 4379931), (9, 2433295), (15, 1459977), (17, 1288215), (45, 486659), (51, 429405), (85, 257643), (153, 143135), (255, 85881), (765, 28627)]