21897000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{811}}^1$

素因数の和:841

約数の個数: 128

約数和(自身を含む): 76003200

約数和(自身を除く): 54106200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 125, 135, 150, 180, 200, 216, 225, 250, 270, 300, 360, 375, 450, 500, 540, 600, 675, 750, 811, 900, 1000, 1080, 1125, 1350, 1500, 1622, 1800, 2250, 2433, 2700, 3000, 3244, 3375, 4055, 4500, 4866, 5400, 6488, 6750, 7299, 8110, 9000, 9732, 12165, 13500, 14598, 16220, 19464, 20275, 21897, 24330, 27000, 29196, 32440, 36495, 40550, 43794, 48660, 58392, 60825, 72990, 81100, 87588, 97320, 101375, 109485, 121650, 145980, 162200, 175176, 182475, 202750, 218970, 243300, 291960, 304125, 364950, 405500, 437940, 486600, 547425, 608250, 729900, 811000, 875880, 912375, 1094850, 1216500, 1459800, 1824750, 2189700, 2433000, 2737125, 3649500, 4379400, 5474250, 7299000, 10948500, 21897000]

約数ペア:

[(1, 21897000), (2, 10948500), (3, 7299000), (4, 5474250), (5, 4379400), (6, 3649500), (8, 2737125), (9, 2433000), (10, 2189700), (12, 1824750), (15, 1459800), (18, 1216500), (20, 1094850), (24, 912375), (25, 875880), (27, 811000), (30, 729900), (36, 608250), (40, 547425), (45, 486600), (50, 437940), (54, 405500), (60, 364950), (72, 304125), (75, 291960), (90, 243300), (100, 218970), (108, 202750), (120, 182475), (125, 175176), (135, 162200), (150, 145980), (180, 121650), (200, 109485), (216, 101375), (225, 97320), (250, 87588), (270, 81100), (300, 72990), (360, 60825), (375, 58392), (450, 48660), (500, 43794), (540, 40550), (600, 36495), (675, 32440), (750, 29196), (811, 27000), (900, 24330), (1000, 21897), (1080, 20275), (1125, 19464), (1350, 16220), (1500, 14598), (1622, 13500), (1800, 12165), (2250, 9732), (2433, 9000), (2700, 8110), (3000, 7299), (3244, 6750), (3375, 6488), (4055, 5400), (4500, 4866)]