21153243

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 29223936

約数和(自身を除く): 8070693

約数列:

[1, 3, 47, 71, 141, 213, 2113, 3337, 6339, 10011, 99311, 150023, 297933, 450069, 7051081, 21153243]

約数ペア:

[(1, 21153243), (3, 7051081), (47, 450069), (71, 297933), (141, 150023), (213, 99311), (2113, 10011), (3337, 6339)]