21000836296

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238645867}}^1$

素因数の和:238645884

約数の個数: 16

約数和(自身を含む): 42956256240

約数和(自身を除く): 21955419944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238645867, 477291734, 954583468, 1909166936, 2625104537, 5250209074, 10500418148, 21000836296]

約数ペア:

[(1, 21000836296), (2, 10500418148), (4, 5250209074), (8, 2625104537), (11, 1909166936), (22, 954583468), (44, 477291734), (88, 238645867)]