21659400

素因数分解:

$2^3\times 3^4\times 5^2\times 7^1\times {\mathrm{191}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 86423040

約数和(自身を除く): 64763640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 81, 84, 90, 100, 105, 108, 120, 126, 135, 140, 150, 162, 168, 175, 180, 189, 191, 200, 210, 216, 225, 252, 270, 280, 300, 315, 324, 350, 360, 378, 382, 405, 420, 450, 504, 525, 540, 567, 573, 600, 630, 648, 675, 700, 756, 764, 810, 840, 900, 945, 955, 1050, 1080, 1134, 1146, 1260, 1337, 1350, 1400, 1512, 1528, 1575, 1620, 1719, 1800, 1890, 1910, 2025, 2100, 2268, 2292, 2520, 2674, 2700, 2835, 2865, 3150, 3240, 3438, 3780, 3820, 4011, 4050, 4200, 4536, 4584, 4725, 4775, 5157, 5348, 5400, 5670, 5730, 6300, 6685, 6876, 7560, 7640, 8022, 8100, 8595, 9450, 9550, 10314, 10696, 11340, 11460, 12033, 12600, 13370, 13752, 14175, 14325, 15471, 16044, 16200, 17190, 18900, 19100, 20055, 20628, 22680, 22920, 24066, 25785, 26740, 28350, 28650, 30942, 32088, 33425, 34380, 36099, 37800, 38200, 40110, 41256, 42975, 48132, 51570, 53480, 56700, 57300, 60165, 61884, 66850, 68760, 72198, 77355, 80220, 85950, 96264, 100275, 103140, 108297, 113400, 114600, 120330, 123768, 128925, 133700, 144396, 154710, 160440, 171900, 180495, 200550, 206280, 216594, 240660, 257850, 267400, 288792, 300825, 309420, 343800, 360990, 386775, 401100, 433188, 481320, 515700, 541485, 601650, 618840, 721980, 773550, 802200, 866376, 902475, 1031400, 1082970, 1203300, 1443960, 1547100, 1804950, 2165940, 2406600, 2707425, 3094200, 3609900, 4331880, 5414850, 7219800, 10829700, 21659400]

約数ペア:

[(1, 21659400), (2, 10829700), (3, 7219800), (4, 5414850), (5, 4331880), (6, 3609900), (7, 3094200), (8, 2707425), (9, 2406600), (10, 2165940), (12, 1804950), (14, 1547100), (15, 1443960), (18, 1203300), (20, 1082970), (21, 1031400), (24, 902475), (25, 866376), (27, 802200), (28, 773550), (30, 721980), (35, 618840), (36, 601650), (40, 541485), (42, 515700), (45, 481320), (50, 433188), (54, 401100), (56, 386775), (60, 360990), (63, 343800), (70, 309420), (72, 300825), (75, 288792), (81, 267400), (84, 257850), (90, 240660), (100, 216594), (105, 206280), (108, 200550), (120, 180495), (126, 171900), (135, 160440), (140, 154710), (150, 144396), (162, 133700), (168, 128925), (175, 123768), (180, 120330), (189, 114600), (191, 113400), (200, 108297), (210, 103140), (216, 100275), (225, 96264), (252, 85950), (270, 80220), (280, 77355), (300, 72198), (315, 68760), (324, 66850), (350, 61884), (360, 60165), (378, 57300), (382, 56700), (405, 53480), (420, 51570), (450, 48132), (504, 42975), (525, 41256), (540, 40110), (567, 38200), (573, 37800), (600, 36099), (630, 34380), (648, 33425), (675, 32088), (700, 30942), (756, 28650), (764, 28350), (810, 26740), (840, 25785), (900, 24066), (945, 22920), (955, 22680), (1050, 20628), (1080, 20055), (1134, 19100), (1146, 18900), (1260, 17190), (1337, 16200), (1350, 16044), (1400, 15471), (1512, 14325), (1528, 14175), (1575, 13752), (1620, 13370), (1719, 12600), (1800, 12033), (1890, 11460), (1910, 11340), (2025, 10696), (2100, 10314), (2268, 9550), (2292, 9450), (2520, 8595), (2674, 8100), (2700, 8022), (2835, 7640), (2865, 7560), (3150, 6876), (3240, 6685), (3438, 6300), (3780, 5730), (3820, 5670), (4011, 5400), (4050, 5348), (4200, 5157), (4536, 4775), (4584, 4725)]