21879154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1993}}^1$

素因数の和:2505

約数の個数: 16

約数和(自身を含む): 35892000

約数和(自身を除く): 14012846

約数列:

[1, 2, 11, 22, 499, 998, 1993, 3986, 5489, 10978, 21923, 43846, 994507, 1989014, 10939577, 21879154]

約数ペア:

[(1, 21879154), (2, 10939577), (11, 1989014), (22, 994507), (499, 43846), (998, 21923), (1993, 10978), (3986, 5489)]