21743059

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 24392704

約数和(自身を除く): 2649645

約数列:

[1, 13, 31, 163, 331, 403, 2119, 4303, 5053, 10261, 53953, 65689, 133393, 701389, 1672543, 21743059]

約数ペア:

[(1, 21743059), (13, 1672543), (31, 701389), (163, 133393), (331, 65689), (403, 53953), (2119, 10261), (4303, 5053)]