21000655214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12397081}}^1$

素因数の和:12397112

約数の個数: 24

約数和(自身を含む): 39571485744

約数和(自身を除く): 18570830530

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12397081, 24794162, 86779567, 136367891, 173559134, 272735782, 954575237, 1500046801, 1909150474, 3000093602, 10500327607, 21000655214]

約数ペア:

[(1, 21000655214), (2, 10500327607), (7, 3000093602), (11, 1909150474), (14, 1500046801), (22, 954575237), (77, 272735782), (121, 173559134), (154, 136367891), (242, 86779567), (847, 24794162), (1694, 12397081)]