21431034

素因数分解:

$2^1\times 3^3\times {\mathrm{396871}}^1$

素因数の和:396882

約数の個数: 16

約数和(自身を含む): 47624640

約数和(自身を除く): 26193606

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 396871, 793742, 1190613, 2381226, 3571839, 7143678, 10715517, 21431034]

約数ペア:

[(1, 21431034), (2, 10715517), (3, 7143678), (6, 3571839), (9, 2381226), (18, 1190613), (27, 793742), (54, 396871)]