21058378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7537}}^1$

素因数の和:7677

約数の個数: 16

約数和(自身を含む): 34735104

約数和(自身を除く): 13676726

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7537, 15074, 82907, 165814, 957199, 1914398, 10529189, 21058378]

約数ペア:

[(1, 21058378), (2, 10529189), (11, 1914398), (22, 957199), (127, 165814), (254, 82907), (1397, 15074), (2794, 7537)]