21355686

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107857}}^1$

素因数の和:107876

約数の個数: 24

約数和(自身を含む): 50477544

約数和(自身を除く): 29121858

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 107857, 215714, 323571, 647142, 970713, 1186427, 1941426, 2372854, 3559281, 7118562, 10677843, 21355686]

約数ペア:

[(1, 21355686), (2, 10677843), (3, 7118562), (6, 3559281), (9, 2372854), (11, 1941426), (18, 1186427), (22, 970713), (33, 647142), (66, 323571), (99, 215714), (198, 107857)]