21031119692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477979993}}^1$

素因数の和:477980008

約数の個数: 12

約数和(自身を含む): 40150319496

約数和(自身を除く): 19119199804

約数列:

[1, 2, 4, 11, 22, 44, 477979993, 955959986, 1911919972, 5257779923, 10515559846, 21031119692]

約数ペア:

[(1, 21031119692), (2, 10515559846), (4, 5257779923), (11, 1911919972), (22, 955959986), (44, 477979993)]