21003337

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 22855680

約数和(自身を除く): 1852343

約数列:

[1, 29, 31, 61, 383, 899, 1769, 1891, 11107, 11873, 23363, 54839, 344317, 677527, 724253, 21003337]

約数ペア:

[(1, 21003337), (29, 724253), (31, 677527), (61, 344317), (383, 54839), (899, 23363), (1769, 11873), (1891, 11107)]