21267657

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1871}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 31599360

約数和(自身を除く): 10331703

約数列:

[1, 3, 9, 27, 421, 1263, 1871, 3789, 5613, 11367, 16839, 50517, 787691, 2363073, 7089219, 21267657]

約数ペア:

[(1, 21267657), (3, 7089219), (9, 2363073), (27, 787691), (421, 50517), (1263, 16839), (1871, 11367), (3789, 5613)]