21608880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 45886800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 179, 240, 358, 503, 537, 716, 895, 1006, 1074, 1432, 1509, 1790, 2012, 2148, 2515, 2685, 2864, 3018, 3580, 4024, 4296, 5030, 5370, 6036, 7160, 7545, 8048, 8592, 10060, 10740, 12072, 14320, 15090, 20120, 21480, 24144, 30180, 40240, 42960, 60360, 90037, 120720, 180074, 270111, 360148, 450185, 540222, 720296, 900370, 1080444, 1350555, 1440592, 1800740, 2160888, 2701110, 3601480, 4321776, 5402220, 7202960, 10804440, 21608880]

約数ペア:

[(1, 21608880), (2, 10804440), (3, 7202960), (4, 5402220), (5, 4321776), (6, 3601480), (8, 2701110), (10, 2160888), (12, 1800740), (15, 1440592), (16, 1350555), (20, 1080444), (24, 900370), (30, 720296), (40, 540222), (48, 450185), (60, 360148), (80, 270111), (120, 180074), (179, 120720), (240, 90037), (358, 60360), (503, 42960), (537, 40240), (716, 30180), (895, 24144), (1006, 21480), (1074, 20120), (1432, 15090), (1509, 14320), (1790, 12072), (2012, 10740), (2148, 10060), (2515, 8592), (2685, 8048), (2864, 7545), (3018, 7160), (3580, 6036), (4024, 5370), (4296, 5030)]