21152799

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{9439}}^1$

素因数の和:9531

約数の個数: 16

約数和(自身を含む): 31718400

約数和(自身を除く): 10565601

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 9439, 28317, 84951, 254853, 783437, 2350311, 7050933, 21152799]

約数ペア:

[(1, 21152799), (3, 7050933), (9, 2350311), (27, 783437), (83, 254853), (249, 84951), (747, 28317), (2241, 9439)]