21840698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7817}}^1$

素因数の和:7957

約数の個数: 16

約数和(自身を含む): 36025344

約数和(自身を除く): 14184646

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7817, 15634, 85987, 171974, 992759, 1985518, 10920349, 21840698]

約数ペア:

[(1, 21840698), (2, 10920349), (11, 1985518), (22, 992759), (127, 171974), (254, 85987), (1397, 15634), (2794, 7817)]