21086318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{7547}}^1$

素因数の和:7687

約数の個数: 16

約数和(自身を含む): 34781184

約数和(自身を除く): 13694866

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 7547, 15094, 83017, 166034, 958469, 1916938, 10543159, 21086318]

約数ペア:

[(1, 21086318), (2, 10543159), (11, 1916938), (22, 958469), (127, 166034), (254, 83017), (1397, 15094), (2794, 7547)]