21712449

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13999}}^1$

素因数の和:14060

約数の個数: 16

約数和(自身を含む): 32256000

約数和(自身を除く): 10543551

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13999, 41997, 153989, 461967, 657953, 1973859, 7237483, 21712449]

約数ペア:

[(1, 21712449), (3, 7237483), (11, 1973859), (33, 657953), (47, 461967), (141, 153989), (517, 41997), (1551, 13999)]