21140746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18131}}^1$

素因数の和:18197

約数の個数: 16

約数和(自身を含む): 35248608

約数和(自身を除く): 14107862

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18131, 36262, 199441, 398882, 960943, 1921886, 10570373, 21140746]

約数ペア:

[(1, 21140746), (2, 10570373), (11, 1921886), (22, 960943), (53, 398882), (106, 199441), (583, 36262), (1166, 18131)]