21716280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 71182800

約数和(自身を除く): 49466520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 179, 180, 337, 358, 360, 537, 674, 716, 895, 1011, 1074, 1348, 1432, 1611, 1685, 1790, 2022, 2148, 2685, 2696, 3033, 3222, 3370, 3580, 4044, 4296, 5055, 5370, 6066, 6444, 6740, 7160, 8055, 8088, 10110, 10740, 12132, 12888, 13480, 15165, 16110, 20220, 21480, 24264, 30330, 32220, 40440, 60323, 60660, 64440, 120646, 121320, 180969, 241292, 301615, 361938, 482584, 542907, 603230, 723876, 904845, 1085814, 1206460, 1447752, 1809690, 2171628, 2412920, 2714535, 3619380, 4343256, 5429070, 7238760, 10858140, 21716280]

約数ペア:

[(1, 21716280), (2, 10858140), (3, 7238760), (4, 5429070), (5, 4343256), (6, 3619380), (8, 2714535), (9, 2412920), (10, 2171628), (12, 1809690), (15, 1447752), (18, 1206460), (20, 1085814), (24, 904845), (30, 723876), (36, 603230), (40, 542907), (45, 482584), (60, 361938), (72, 301615), (90, 241292), (120, 180969), (179, 121320), (180, 120646), (337, 64440), (358, 60660), (360, 60323), (537, 40440), (674, 32220), (716, 30330), (895, 24264), (1011, 21480), (1074, 20220), (1348, 16110), (1432, 15165), (1611, 13480), (1685, 12888), (1790, 12132), (2022, 10740), (2148, 10110), (2685, 8088), (2696, 8055), (3033, 7160), (3222, 6740), (3370, 6444), (3580, 6066), (4044, 5370), (4296, 5055)]