21929643

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47777}}^1$

素因数の和:47803

約数の個数: 16

約数和(自身を含む): 34400160

約数和(自身を除く): 12470517

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47777, 143331, 429993, 812209, 1289979, 2436627, 7309881, 21929643]

約数ペア:

[(1, 21929643), (3, 7309881), (9, 2436627), (17, 1289979), (27, 812209), (51, 429993), (153, 143331), (459, 47777)]