20210998

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{1117}}^1$

素因数の和:1311

約数の個数: 16

約数和(自身を含む): 30990960

約数和(自身を除く): 10779962

約数列:

[1, 2, 83, 109, 166, 218, 1117, 2234, 9047, 18094, 92711, 121753, 185422, 243506, 10105499, 20210998]

約数ペア:

[(1, 20210998), (2, 10105499), (83, 243506), (109, 185422), (166, 121753), (218, 92711), (1117, 18094), (2234, 9047)]