21510000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{239}}^1$

素因数の和:273

約数の個数: 150

約数和(自身を含む): 75538320

約数和(自身を除く): 54028320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 239, 240, 250, 300, 360, 375, 400, 450, 478, 500, 600, 625, 717, 720, 750, 900, 956, 1000, 1125, 1195, 1200, 1250, 1434, 1500, 1800, 1875, 1912, 2000, 2151, 2250, 2390, 2500, 2868, 3000, 3585, 3600, 3750, 3824, 4302, 4500, 4780, 5000, 5625, 5736, 5975, 6000, 7170, 7500, 8604, 9000, 9560, 10000, 10755, 11250, 11472, 11950, 14340, 15000, 17208, 17925, 18000, 19120, 21510, 22500, 23900, 28680, 29875, 30000, 34416, 35850, 43020, 45000, 47800, 53775, 57360, 59750, 71700, 86040, 89625, 90000, 95600, 107550, 119500, 143400, 149375, 172080, 179250, 215100, 239000, 268875, 286800, 298750, 358500, 430200, 448125, 478000, 537750, 597500, 717000, 860400, 896250, 1075500, 1195000, 1344375, 1434000, 1792500, 2151000, 2390000, 2688750, 3585000, 4302000, 5377500, 7170000, 10755000, 21510000]

約数ペア:

[(1, 21510000), (2, 10755000), (3, 7170000), (4, 5377500), (5, 4302000), (6, 3585000), (8, 2688750), (9, 2390000), (10, 2151000), (12, 1792500), (15, 1434000), (16, 1344375), (18, 1195000), (20, 1075500), (24, 896250), (25, 860400), (30, 717000), (36, 597500), (40, 537750), (45, 478000), (48, 448125), (50, 430200), (60, 358500), (72, 298750), (75, 286800), (80, 268875), (90, 239000), (100, 215100), (120, 179250), (125, 172080), (144, 149375), (150, 143400), (180, 119500), (200, 107550), (225, 95600), (239, 90000), (240, 89625), (250, 86040), (300, 71700), (360, 59750), (375, 57360), (400, 53775), (450, 47800), (478, 45000), (500, 43020), (600, 35850), (625, 34416), (717, 30000), (720, 29875), (750, 28680), (900, 23900), (956, 22500), (1000, 21510), (1125, 19120), (1195, 18000), (1200, 17925), (1250, 17208), (1434, 15000), (1500, 14340), (1800, 11950), (1875, 11472), (1912, 11250), (2000, 10755), (2151, 10000), (2250, 9560), (2390, 9000), (2500, 8604), (2868, 7500), (3000, 7170), (3585, 6000), (3600, 5975), (3750, 5736), (3824, 5625), (4302, 5000), (4500, 4780)]