21000948034

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{86780777}}^1$

素因数の和:86780801

約数の個数: 12

約数和(自身を含む): 34625530422

約数和(自身を除く): 13624582388

約数列:

[1, 2, 11, 22, 121, 242, 86780777, 173561554, 954588547, 1909177094, 10500474017, 21000948034]

約数ペア:

[(1, 21000948034), (2, 10500474017), (11, 1909177094), (22, 954588547), (121, 173561554), (242, 86780777)]