21907754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7841}}^1$

素因数の和:7981

約数の個数: 16

約数和(自身を含む): 36135936

約数和(自身を除く): 14228182

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7841, 15682, 86251, 172502, 995807, 1991614, 10953877, 21907754]

約数ペア:

[(1, 21907754), (2, 10953877), (11, 1991614), (22, 995807), (127, 172502), (254, 86251), (1397, 15682), (2794, 7841)]