21894081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1319}}^1$

素因数の和:1836

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 10039359

約数列:

[1, 3, 11, 33, 503, 1319, 1509, 3957, 5533, 14509, 16599, 43527, 663457, 1990371, 7298027, 21894081]

約数ペア:

[(1, 21894081), (3, 7298027), (11, 1990371), (33, 663457), (503, 43527), (1319, 16599), (1509, 14509), (3957, 5533)]