21771678

素因数分解:

$2^1\times 3^1\times {\mathrm{443}}^1\times {\mathrm{8191}}^1$

素因数の和:8639

約数の個数: 16

約数和(自身を含む): 43646976

約数和(自身を除く): 21875298

約数列:

[1, 2, 3, 6, 443, 886, 1329, 2658, 8191, 16382, 24573, 49146, 3628613, 7257226, 10885839, 21771678]

約数ペア:

[(1, 21771678), (2, 10885839), (3, 7257226), (6, 3628613), (443, 49146), (886, 24573), (1329, 16382), (2658, 8191)]