21000859218

素因数分解:

$2^1\times 3^2\times {\mathrm{1166714401}}^1$

素因数の和:1166714409

約数の個数: 12

約数和(自身を含む): 45501861678

約数和(自身を除く): 24501002460

約数列:

[1, 2, 3, 6, 9, 18, 1166714401, 2333428802, 3500143203, 7000286406, 10500429609, 21000859218]

約数ペア:

[(1, 21000859218), (2, 10500429609), (3, 7000286406), (6, 3500143203), (9, 2333428802), (18, 1166714401)]