21043200

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{137}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 70073640

約数和(自身を除く): 49030440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 137, 150, 160, 192, 200, 240, 256, 274, 300, 320, 384, 400, 411, 480, 512, 548, 600, 640, 685, 768, 800, 822, 960, 1024, 1096, 1200, 1280, 1370, 1536, 1600, 1644, 1920, 2048, 2055, 2192, 2400, 2560, 2740, 3072, 3200, 3288, 3425, 3840, 4110, 4384, 4800, 5120, 5480, 6144, 6400, 6576, 6850, 7680, 8220, 8768, 9600, 10240, 10275, 10960, 12800, 13152, 13700, 15360, 16440, 17536, 19200, 20550, 21920, 25600, 26304, 27400, 30720, 32880, 35072, 38400, 41100, 43840, 51200, 52608, 54800, 65760, 70144, 76800, 82200, 87680, 105216, 109600, 131520, 140288, 153600, 164400, 175360, 210432, 219200, 263040, 280576, 328800, 350720, 420864, 438400, 526080, 657600, 701440, 841728, 876800, 1052160, 1315200, 1402880, 1753600, 2104320, 2630400, 3507200, 4208640, 5260800, 7014400, 10521600, 21043200]

約数ペア:

[(1, 21043200), (2, 10521600), (3, 7014400), (4, 5260800), (5, 4208640), (6, 3507200), (8, 2630400), (10, 2104320), (12, 1753600), (15, 1402880), (16, 1315200), (20, 1052160), (24, 876800), (25, 841728), (30, 701440), (32, 657600), (40, 526080), (48, 438400), (50, 420864), (60, 350720), (64, 328800), (75, 280576), (80, 263040), (96, 219200), (100, 210432), (120, 175360), (128, 164400), (137, 153600), (150, 140288), (160, 131520), (192, 109600), (200, 105216), (240, 87680), (256, 82200), (274, 76800), (300, 70144), (320, 65760), (384, 54800), (400, 52608), (411, 51200), (480, 43840), (512, 41100), (548, 38400), (600, 35072), (640, 32880), (685, 30720), (768, 27400), (800, 26304), (822, 25600), (960, 21920), (1024, 20550), (1096, 19200), (1200, 17536), (1280, 16440), (1370, 15360), (1536, 13700), (1600, 13152), (1644, 12800), (1920, 10960), (2048, 10275), (2055, 10240), (2192, 9600), (2400, 8768), (2560, 8220), (2740, 7680), (3072, 6850), (3200, 6576), (3288, 6400), (3425, 6144), (3840, 5480), (4110, 5120), (4384, 4800)]