21343500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 76108032

約数和(自身を除く): 54764532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 31, 34, 36, 45, 50, 51, 54, 60, 62, 68, 75, 81, 85, 90, 93, 100, 102, 108, 124, 125, 135, 150, 153, 155, 162, 170, 180, 186, 204, 225, 250, 255, 270, 279, 300, 306, 310, 324, 340, 372, 375, 405, 425, 450, 459, 465, 500, 510, 527, 540, 558, 612, 620, 675, 750, 765, 775, 810, 837, 850, 900, 918, 930, 1020, 1054, 1116, 1125, 1275, 1350, 1377, 1395, 1500, 1530, 1550, 1581, 1620, 1674, 1700, 1836, 1860, 2025, 2108, 2125, 2250, 2295, 2325, 2511, 2550, 2635, 2700, 2754, 2790, 3060, 3100, 3162, 3348, 3375, 3825, 3875, 4050, 4185, 4250, 4500, 4590, 4650, 4743, 5022, 5100, 5270, 5508, 5580, 6324, 6375, 6750, 6885, 6975, 7650, 7750, 7905, 8100, 8370, 8500, 9180, 9300, 9486, 10044, 10125, 10540, 11475, 11625, 12555, 12750, 13175, 13500, 13770, 13950, 14229, 15300, 15500, 15810, 16740, 18972, 19125, 20250, 20925, 22950, 23250, 23715, 25110, 25500, 26350, 27540, 27900, 28458, 31620, 34425, 34875, 38250, 39525, 40500, 41850, 42687, 45900, 46500, 47430, 50220, 52700, 56916, 57375, 62775, 65875, 68850, 69750, 71145, 76500, 79050, 83700, 85374, 94860, 104625, 114750, 118575, 125550, 131750, 137700, 139500, 142290, 158100, 170748, 172125, 197625, 209250, 213435, 229500, 237150, 251100, 263500, 284580, 313875, 344250, 355725, 395250, 418500, 426870, 474300, 592875, 627750, 688500, 711450, 790500, 853740, 1067175, 1185750, 1255500, 1422900, 1778625, 2134350, 2371500, 3557250, 4268700, 5335875, 7114500, 10671750, 21343500]

約数ペア:

[(1, 21343500), (2, 10671750), (3, 7114500), (4, 5335875), (5, 4268700), (6, 3557250), (9, 2371500), (10, 2134350), (12, 1778625), (15, 1422900), (17, 1255500), (18, 1185750), (20, 1067175), (25, 853740), (27, 790500), (30, 711450), (31, 688500), (34, 627750), (36, 592875), (45, 474300), (50, 426870), (51, 418500), (54, 395250), (60, 355725), (62, 344250), (68, 313875), (75, 284580), (81, 263500), (85, 251100), (90, 237150), (93, 229500), (100, 213435), (102, 209250), (108, 197625), (124, 172125), (125, 170748), (135, 158100), (150, 142290), (153, 139500), (155, 137700), (162, 131750), (170, 125550), (180, 118575), (186, 114750), (204, 104625), (225, 94860), (250, 85374), (255, 83700), (270, 79050), (279, 76500), (300, 71145), (306, 69750), (310, 68850), (324, 65875), (340, 62775), (372, 57375), (375, 56916), (405, 52700), (425, 50220), (450, 47430), (459, 46500), (465, 45900), (500, 42687), (510, 41850), (527, 40500), (540, 39525), (558, 38250), (612, 34875), (620, 34425), (675, 31620), (750, 28458), (765, 27900), (775, 27540), (810, 26350), (837, 25500), (850, 25110), (900, 23715), (918, 23250), (930, 22950), (1020, 20925), (1054, 20250), (1116, 19125), (1125, 18972), (1275, 16740), (1350, 15810), (1377, 15500), (1395, 15300), (1500, 14229), (1530, 13950), (1550, 13770), (1581, 13500), (1620, 13175), (1674, 12750), (1700, 12555), (1836, 11625), (1860, 11475), (2025, 10540), (2108, 10125), (2125, 10044), (2250, 9486), (2295, 9300), (2325, 9180), (2511, 8500), (2550, 8370), (2635, 8100), (2700, 7905), (2754, 7750), (2790, 7650), (3060, 6975), (3100, 6885), (3162, 6750), (3348, 6375), (3375, 6324), (3825, 5580), (3875, 5508), (4050, 5270), (4185, 5100), (4250, 5022), (4500, 4743), (4590, 4650)]