21301005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129097}}^1$

素因数の和:129116

約数の個数: 16

約数和(自身を含む): 37180224

約数和(自身を除く): 15879219

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129097, 387291, 645485, 1420067, 1936455, 4260201, 7100335, 21301005]

約数ペア:

[(1, 21301005), (3, 7100335), (5, 4260201), (11, 1936455), (15, 1420067), (33, 645485), (55, 387291), (165, 129097)]