2212721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 2703360

約数和(自身を除く): 490639

約数列:

[1, 7, 19, 127, 131, 133, 889, 917, 2413, 2489, 16637, 16891, 17423, 116459, 316103, 2212721]

約数ペア:

[(1, 2212721), (7, 316103), (19, 116459), (127, 17423), (131, 16891), (133, 16637), (889, 2489), (917, 2413)]