21728034

素因数分解:

$2^1\times 3^3\times {\mathrm{402371}}^1$

素因数の和:402382

約数の個数: 16

約数和(自身を含む): 48284640

約数和(自身を除く): 26556606

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 402371, 804742, 1207113, 2414226, 3621339, 7242678, 10864017, 21728034]

約数ペア:

[(1, 21728034), (2, 10864017), (3, 7242678), (6, 3621339), (9, 2414226), (18, 1207113), (27, 804742), (54, 402371)]