21373200

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{1979}}^1$

素因数の和:2006

約数の個数: 120

約数和(自身を含む): 76111200

約数和(自身を除く): 54738000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 1979, 2160, 2700, 3600, 3958, 5400, 5937, 7916, 9895, 10800, 11874, 15832, 17811, 19790, 23748, 29685, 31664, 35622, 39580, 47496, 49475, 53433, 59370, 71244, 79160, 89055, 94992, 98950, 106866, 118740, 142488, 148425, 158320, 178110, 197900, 213732, 237480, 267165, 284976, 296850, 356220, 395800, 427464, 445275, 474960, 534330, 593700, 712440, 791600, 854928, 890550, 1068660, 1187400, 1335825, 1424880, 1781100, 2137320, 2374800, 2671650, 3562200, 4274640, 5343300, 7124400, 10686600, 21373200]

約数ペア:

[(1, 21373200), (2, 10686600), (3, 7124400), (4, 5343300), (5, 4274640), (6, 3562200), (8, 2671650), (9, 2374800), (10, 2137320), (12, 1781100), (15, 1424880), (16, 1335825), (18, 1187400), (20, 1068660), (24, 890550), (25, 854928), (27, 791600), (30, 712440), (36, 593700), (40, 534330), (45, 474960), (48, 445275), (50, 427464), (54, 395800), (60, 356220), (72, 296850), (75, 284976), (80, 267165), (90, 237480), (100, 213732), (108, 197900), (120, 178110), (135, 158320), (144, 148425), (150, 142488), (180, 118740), (200, 106866), (216, 98950), (225, 94992), (240, 89055), (270, 79160), (300, 71244), (360, 59370), (400, 53433), (432, 49475), (450, 47496), (540, 39580), (600, 35622), (675, 31664), (720, 29685), (900, 23748), (1080, 19790), (1200, 17811), (1350, 15832), (1800, 11874), (1979, 10800), (2160, 9895), (2700, 7916), (3600, 5937), (3958, 5400)]