21032978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4871}}^1$

素因数の和:5017

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 12642286

約数列:

[1, 2, 17, 34, 127, 254, 2159, 4318, 4871, 9742, 82807, 165614, 618617, 1237234, 10516489, 21032978]

約数ペア:

[(1, 21032978), (2, 10516489), (17, 1237234), (34, 618617), (127, 165614), (254, 82807), (2159, 9742), (4318, 4871)]