21056114979

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{2179}}^1\times {\mathrm{13591}}^1$

素因数の和:15855

約数の個数: 24

約数和(自身を含む): 30815782400

約数和(自身を除く): 9759667421

約数列:

[1, 3, 9, 79, 237, 711, 2179, 6537, 13591, 19611, 40773, 122319, 172141, 516423, 1073689, 1549269, 3221067, 9663201, 29614789, 88844367, 266533101, 2339568331, 7018704993, 21056114979]

約数ペア:

[(1, 21056114979), (3, 7018704993), (9, 2339568331), (79, 266533101), (237, 88844367), (711, 29614789), (2179, 9663201), (6537, 3221067), (13591, 1549269), (19611, 1073689), (40773, 516423), (122319, 172141)]