21259800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:183

約数の個数: 192

約数和(自身を含む): 76185600

約数和(自身を除く): 54925800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 50, 54, 60, 62, 72, 75, 90, 93, 100, 108, 120, 124, 127, 135, 150, 155, 180, 186, 200, 216, 225, 248, 254, 270, 279, 300, 310, 360, 372, 381, 450, 465, 508, 540, 558, 600, 620, 635, 675, 744, 762, 775, 837, 900, 930, 1016, 1080, 1116, 1143, 1240, 1270, 1350, 1395, 1524, 1550, 1674, 1800, 1860, 1905, 2232, 2286, 2325, 2540, 2700, 2790, 3048, 3100, 3175, 3348, 3429, 3720, 3810, 3937, 4185, 4572, 4650, 5080, 5400, 5580, 5715, 6200, 6350, 6696, 6858, 6975, 7620, 7874, 8370, 9144, 9300, 9525, 11160, 11430, 11811, 12700, 13716, 13950, 15240, 15748, 16740, 17145, 18600, 19050, 19685, 20925, 22860, 23622, 25400, 27432, 27900, 28575, 31496, 33480, 34290, 35433, 38100, 39370, 41850, 45720, 47244, 55800, 57150, 59055, 68580, 70866, 76200, 78740, 83700, 85725, 94488, 98425, 106299, 114300, 118110, 137160, 141732, 157480, 167400, 171450, 177165, 196850, 212598, 228600, 236220, 283464, 295275, 342900, 354330, 393700, 425196, 472440, 531495, 590550, 685800, 708660, 787400, 850392, 885825, 1062990, 1181100, 1417320, 1771650, 2125980, 2362200, 2657475, 3543300, 4251960, 5314950, 7086600, 10629900, 21259800]

約数ペア:

[(1, 21259800), (2, 10629900), (3, 7086600), (4, 5314950), (5, 4251960), (6, 3543300), (8, 2657475), (9, 2362200), (10, 2125980), (12, 1771650), (15, 1417320), (18, 1181100), (20, 1062990), (24, 885825), (25, 850392), (27, 787400), (30, 708660), (31, 685800), (36, 590550), (40, 531495), (45, 472440), (50, 425196), (54, 393700), (60, 354330), (62, 342900), (72, 295275), (75, 283464), (90, 236220), (93, 228600), (100, 212598), (108, 196850), (120, 177165), (124, 171450), (127, 167400), (135, 157480), (150, 141732), (155, 137160), (180, 118110), (186, 114300), (200, 106299), (216, 98425), (225, 94488), (248, 85725), (254, 83700), (270, 78740), (279, 76200), (300, 70866), (310, 68580), (360, 59055), (372, 57150), (381, 55800), (450, 47244), (465, 45720), (508, 41850), (540, 39370), (558, 38100), (600, 35433), (620, 34290), (635, 33480), (675, 31496), (744, 28575), (762, 27900), (775, 27432), (837, 25400), (900, 23622), (930, 22860), (1016, 20925), (1080, 19685), (1116, 19050), (1143, 18600), (1240, 17145), (1270, 16740), (1350, 15748), (1395, 15240), (1524, 13950), (1550, 13716), (1674, 12700), (1800, 11811), (1860, 11430), (1905, 11160), (2232, 9525), (2286, 9300), (2325, 9144), (2540, 8370), (2700, 7874), (2790, 7620), (3048, 6975), (3100, 6858), (3175, 6696), (3348, 6350), (3429, 6200), (3720, 5715), (3810, 5580), (3937, 5400), (4185, 5080), (4572, 4650)]