21596987

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 2290885

約数列:

[1, 17, 31, 107, 383, 527, 1819, 3317, 6511, 11873, 40981, 56389, 201841, 696677, 1270411, 21596987]

約数ペア:

[(1, 21596987), (17, 1270411), (31, 696677), (107, 201841), (383, 56389), (527, 40981), (1819, 11873), (3317, 6511)]