21937558

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1191

約数の個数: 16

約数和(自身を含む): 33564960

約数和(自身を除く): 11627402

約数列:

[1, 2, 103, 109, 206, 218, 977, 1954, 11227, 22454, 100631, 106493, 201262, 212986, 10968779, 21937558]

約数ペア:

[(1, 21937558), (2, 10968779), (103, 212986), (109, 201262), (206, 106493), (218, 100631), (977, 22454), (1954, 11227)]