21382042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42257}}^1$

素因数の和:42293

約数の個数: 16

約数和(自身を含む): 36510912

約数和(自身を除く): 15128870

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42257, 84514, 464827, 929654, 971911, 1943822, 10691021, 21382042]

約数ペア:

[(1, 21382042), (2, 10691021), (11, 1943822), (22, 971911), (23, 929654), (46, 464827), (253, 84514), (506, 42257)]