21763874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2467}}^1$

素因数の和:2881

約数の個数: 16

約数和(自身を含む): 35716896

約数和(自身を除く): 13953022

約数列:

[1, 2, 11, 22, 401, 802, 2467, 4411, 4934, 8822, 27137, 54274, 989267, 1978534, 10881937, 21763874]

約数ペア:

[(1, 21763874), (2, 10881937), (11, 1978534), (22, 989267), (401, 54274), (802, 27137), (2467, 8822), (4411, 4934)]