21744219

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9677}}^1$

素因数の和:9794

約数の個数: 16

約数和(自身を含む): 33447168

約数和(自身を除く): 11702949

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9677, 29031, 67739, 203217, 1035439, 3106317, 7248073, 21744219]

約数ペア:

[(1, 21744219), (3, 7248073), (7, 3106317), (21, 1035439), (107, 203217), (321, 67739), (749, 29031), (2247, 9677)]