21991794

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{333209}}^1$

素因数の和:333225

約数の個数: 16

約数和(自身を含む): 47982240

約数和(自身を除く): 25990446

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 333209, 666418, 999627, 1999254, 3665299, 7330598, 10995897, 21991794]

約数ペア:

[(1, 21991794), (2, 10995897), (3, 7330598), (6, 3665299), (11, 1999254), (22, 999627), (33, 666418), (66, 333209)]