21777000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 256

約数和(自身を含む): 83566080

約数和(自身を除く): 61789080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 25, 28, 30, 34, 35, 40, 42, 50, 51, 56, 60, 61, 68, 70, 75, 84, 85, 100, 102, 105, 119, 120, 122, 125, 136, 140, 150, 168, 170, 175, 183, 200, 204, 210, 238, 244, 250, 255, 280, 300, 305, 340, 350, 357, 366, 375, 408, 420, 425, 427, 476, 488, 500, 510, 525, 595, 600, 610, 680, 700, 714, 732, 750, 840, 850, 854, 875, 915, 952, 1000, 1020, 1037, 1050, 1190, 1220, 1275, 1281, 1400, 1428, 1464, 1500, 1525, 1700, 1708, 1750, 1785, 1830, 2040, 2074, 2100, 2125, 2135, 2380, 2440, 2550, 2562, 2625, 2856, 2975, 3000, 3050, 3111, 3400, 3416, 3500, 3570, 3660, 4148, 4200, 4250, 4270, 4575, 4760, 5100, 5124, 5185, 5250, 5950, 6100, 6222, 6375, 6405, 7000, 7140, 7259, 7320, 7625, 8296, 8500, 8540, 8925, 9150, 10200, 10248, 10370, 10500, 10675, 11900, 12200, 12444, 12750, 12810, 14280, 14518, 14875, 15250, 15555, 17000, 17080, 17850, 18300, 20740, 21000, 21350, 21777, 22875, 23800, 24888, 25500, 25620, 25925, 29036, 29750, 30500, 31110, 32025, 35700, 36295, 36600, 41480, 42700, 43554, 44625, 45750, 51000, 51240, 51850, 53375, 58072, 59500, 61000, 62220, 64050, 71400, 72590, 77775, 85400, 87108, 89250, 91500, 103700, 106750, 108885, 119000, 124440, 128100, 129625, 145180, 155550, 160125, 174216, 178500, 181475, 183000, 207400, 213500, 217770, 256200, 259250, 290360, 311100, 320250, 357000, 362950, 388875, 427000, 435540, 518500, 544425, 622200, 640500, 725900, 777750, 871080, 907375, 1037000, 1088850, 1281000, 1451800, 1555500, 1814750, 2177700, 2722125, 3111000, 3629500, 4355400, 5444250, 7259000, 10888500, 21777000]

約数ペア:

[(1, 21777000), (2, 10888500), (3, 7259000), (4, 5444250), (5, 4355400), (6, 3629500), (7, 3111000), (8, 2722125), (10, 2177700), (12, 1814750), (14, 1555500), (15, 1451800), (17, 1281000), (20, 1088850), (21, 1037000), (24, 907375), (25, 871080), (28, 777750), (30, 725900), (34, 640500), (35, 622200), (40, 544425), (42, 518500), (50, 435540), (51, 427000), (56, 388875), (60, 362950), (61, 357000), (68, 320250), (70, 311100), (75, 290360), (84, 259250), (85, 256200), (100, 217770), (102, 213500), (105, 207400), (119, 183000), (120, 181475), (122, 178500), (125, 174216), (136, 160125), (140, 155550), (150, 145180), (168, 129625), (170, 128100), (175, 124440), (183, 119000), (200, 108885), (204, 106750), (210, 103700), (238, 91500), (244, 89250), (250, 87108), (255, 85400), (280, 77775), (300, 72590), (305, 71400), (340, 64050), (350, 62220), (357, 61000), (366, 59500), (375, 58072), (408, 53375), (420, 51850), (425, 51240), (427, 51000), (476, 45750), (488, 44625), (500, 43554), (510, 42700), (525, 41480), (595, 36600), (600, 36295), (610, 35700), (680, 32025), (700, 31110), (714, 30500), (732, 29750), (750, 29036), (840, 25925), (850, 25620), (854, 25500), (875, 24888), (915, 23800), (952, 22875), (1000, 21777), (1020, 21350), (1037, 21000), (1050, 20740), (1190, 18300), (1220, 17850), (1275, 17080), (1281, 17000), (1400, 15555), (1428, 15250), (1464, 14875), (1500, 14518), (1525, 14280), (1700, 12810), (1708, 12750), (1750, 12444), (1785, 12200), (1830, 11900), (2040, 10675), (2074, 10500), (2100, 10370), (2125, 10248), (2135, 10200), (2380, 9150), (2440, 8925), (2550, 8540), (2562, 8500), (2625, 8296), (2856, 7625), (2975, 7320), (3000, 7259), (3050, 7140), (3111, 7000), (3400, 6405), (3416, 6375), (3500, 6222), (3570, 6100), (3660, 5950), (4148, 5250), (4200, 5185), (4250, 5124), (4270, 5100), (4575, 4760)]