21809156630

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1\times {\mathrm{12109}}^1$

素因数の和:12968

約数の個数: 32

約数和(自身を含む): 39445660800

約数和(自身を除く): 17636504170

約数列:

[1, 2, 5, 10, 389, 463, 778, 926, 1945, 2315, 3890, 4630, 12109, 24218, 60545, 121090, 180107, 360214, 900535, 1801070, 4710401, 5606467, 9420802, 11212934, 23552005, 28032335, 47104010, 56064670, 2180915663, 4361831326, 10904578315, 21809156630]

約数ペア:

[(1, 21809156630), (2, 10904578315), (5, 4361831326), (10, 2180915663), (389, 56064670), (463, 47104010), (778, 28032335), (926, 23552005), (1945, 11212934), (2315, 9420802), (3890, 5606467), (4630, 4710401), (12109, 1801070), (24218, 900535), (60545, 360214), (121090, 180107)]