21055474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{1109}}^1$

素因数の和:1985

約数の個数: 16

約数和(自身を含む): 34525440

約数和(自身を除く): 13469966

約数列:

[1, 2, 11, 22, 863, 1109, 1726, 2218, 9493, 12199, 18986, 24398, 957067, 1914134, 10527737, 21055474]

約数ペア:

[(1, 21055474), (2, 10527737), (11, 1914134), (22, 957067), (863, 24398), (1109, 18986), (1726, 12199), (2218, 9493)]