21089297

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 23073600

約数和(自身を除く): 1984303

約数列:

[1, 19, 37, 131, 229, 703, 2489, 4351, 4847, 8473, 29999, 92093, 160987, 569981, 1109963, 21089297]

約数ペア:

[(1, 21089297), (19, 1109963), (37, 569981), (131, 160987), (229, 92093), (703, 29999), (2489, 8473), (4351, 4847)]