21002542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41507}}^1$

素因数の和:41543

約数の個数: 16

約数和(自身を含む): 35862912

約数和(自身を除く): 14860370

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41507, 83014, 456577, 913154, 954661, 1909322, 10501271, 21002542]

約数ペア:

[(1, 21002542), (2, 10501271), (11, 1909322), (22, 954661), (23, 913154), (46, 456577), (253, 83014), (506, 41507)]