21498180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32573}}^1$

素因数の和:32596

約数の個数: 48

約数和(自身を含む): 65669184

約数和(自身を除く): 44171004

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32573, 65146, 97719, 130292, 162865, 195438, 325730, 358303, 390876, 488595, 651460, 716606, 977190, 1074909, 1433212, 1791515, 1954380, 2149818, 3583030, 4299636, 5374545, 7166060, 10749090, 21498180]

約数ペア:

[(1, 21498180), (2, 10749090), (3, 7166060), (4, 5374545), (5, 4299636), (6, 3583030), (10, 2149818), (11, 1954380), (12, 1791515), (15, 1433212), (20, 1074909), (22, 977190), (30, 716606), (33, 651460), (44, 488595), (55, 390876), (60, 358303), (66, 325730), (110, 195438), (132, 162865), (165, 130292), (220, 97719), (330, 65146), (660, 32573)]