21144291

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43777}}^1$

素因数の和:43810

約数の個数: 16

約数和(自身を含む): 33621504

約数和(自身を除く): 12477213

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43777, 131331, 306439, 919317, 1006871, 3020613, 7048097, 21144291]

約数ペア:

[(1, 21144291), (3, 7048097), (7, 3020613), (21, 1006871), (23, 919317), (69, 306439), (161, 131331), (483, 43777)]