21012000

素因数分解:

$2^5\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 73592064

約数和(自身を除く): 52580064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 102, 103, 120, 125, 136, 150, 160, 170, 200, 204, 206, 240, 250, 255, 272, 300, 309, 340, 375, 400, 408, 412, 425, 480, 500, 510, 515, 544, 600, 618, 680, 750, 800, 816, 824, 850, 1000, 1020, 1030, 1200, 1236, 1275, 1360, 1500, 1545, 1632, 1648, 1700, 1751, 2000, 2040, 2060, 2125, 2400, 2472, 2550, 2575, 2720, 3000, 3090, 3296, 3400, 3502, 4000, 4080, 4120, 4250, 4944, 5100, 5150, 5253, 6000, 6180, 6375, 6800, 7004, 7725, 8160, 8240, 8500, 8755, 9888, 10200, 10300, 10506, 12000, 12360, 12750, 12875, 13600, 14008, 15450, 16480, 17000, 17510, 20400, 20600, 21012, 24720, 25500, 25750, 26265, 28016, 30900, 34000, 35020, 38625, 40800, 41200, 42024, 43775, 49440, 51000, 51500, 52530, 56032, 61800, 68000, 70040, 77250, 82400, 84048, 87550, 102000, 103000, 105060, 123600, 131325, 140080, 154500, 168096, 175100, 204000, 206000, 210120, 218875, 247200, 262650, 280160, 309000, 350200, 412000, 420240, 437750, 525300, 618000, 656625, 700400, 840480, 875500, 1050600, 1236000, 1313250, 1400800, 1751000, 2101200, 2626500, 3502000, 4202400, 5253000, 7004000, 10506000, 21012000]

約数ペア:

[(1, 21012000), (2, 10506000), (3, 7004000), (4, 5253000), (5, 4202400), (6, 3502000), (8, 2626500), (10, 2101200), (12, 1751000), (15, 1400800), (16, 1313250), (17, 1236000), (20, 1050600), (24, 875500), (25, 840480), (30, 700400), (32, 656625), (34, 618000), (40, 525300), (48, 437750), (50, 420240), (51, 412000), (60, 350200), (68, 309000), (75, 280160), (80, 262650), (85, 247200), (96, 218875), (100, 210120), (102, 206000), (103, 204000), (120, 175100), (125, 168096), (136, 154500), (150, 140080), (160, 131325), (170, 123600), (200, 105060), (204, 103000), (206, 102000), (240, 87550), (250, 84048), (255, 82400), (272, 77250), (300, 70040), (309, 68000), (340, 61800), (375, 56032), (400, 52530), (408, 51500), (412, 51000), (425, 49440), (480, 43775), (500, 42024), (510, 41200), (515, 40800), (544, 38625), (600, 35020), (618, 34000), (680, 30900), (750, 28016), (800, 26265), (816, 25750), (824, 25500), (850, 24720), (1000, 21012), (1020, 20600), (1030, 20400), (1200, 17510), (1236, 17000), (1275, 16480), (1360, 15450), (1500, 14008), (1545, 13600), (1632, 12875), (1648, 12750), (1700, 12360), (1751, 12000), (2000, 10506), (2040, 10300), (2060, 10200), (2125, 9888), (2400, 8755), (2472, 8500), (2550, 8240), (2575, 8160), (2720, 7725), (3000, 7004), (3090, 6800), (3296, 6375), (3400, 6180), (3502, 6000), (4000, 5253), (4080, 5150), (4120, 5100), (4250, 4944)]