20211279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{1009}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 29475840

約数和(自身を除く): 9264561

約数列:

[1, 3, 11, 33, 607, 1009, 1821, 3027, 6677, 11099, 20031, 33297, 612463, 1837389, 6737093, 20211279]

約数ペア:

[(1, 20211279), (3, 6737093), (11, 1837389), (33, 612463), (607, 33297), (1009, 20031), (1821, 11099), (3027, 6677)]