21001036800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8821}}^1$

素因数の和:8885

約数の個数: 264

約数和(自身を含む): 71656659712

約数和(自身を除く): 50655622912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 150, 155, 160, 186, 192, 200, 240, 248, 256, 300, 310, 320, 372, 384, 400, 465, 480, 496, 512, 600, 620, 640, 744, 768, 775, 800, 930, 960, 992, 1024, 1200, 1240, 1280, 1488, 1536, 1550, 1600, 1860, 1920, 1984, 2325, 2400, 2480, 2560, 2976, 3072, 3100, 3200, 3720, 3840, 3968, 4650, 4800, 4960, 5120, 5952, 6200, 6400, 7440, 7680, 7936, 8821, 9300, 9600, 9920, 11904, 12400, 12800, 14880, 15360, 15872, 17642, 18600, 19200, 19840, 23808, 24800, 25600, 26463, 29760, 31744, 35284, 37200, 38400, 39680, 44105, 47616, 49600, 52926, 59520, 70568, 74400, 76800, 79360, 88210, 95232, 99200, 105852, 119040, 132315, 141136, 148800, 158720, 176420, 198400, 211704, 220525, 238080, 264630, 273451, 282272, 297600, 352840, 396800, 423408, 441050, 476160, 529260, 546902, 564544, 595200, 661575, 705680, 793600, 820353, 846816, 882100, 1058520, 1093804, 1129088, 1190400, 1323150, 1367255, 1411360, 1640706, 1693632, 1764200, 2117040, 2187608, 2258176, 2380800, 2646300, 2734510, 2822720, 3281412, 3387264, 3528400, 4101765, 4234080, 4375216, 4516352, 5292600, 5469020, 5645440, 6562824, 6774528, 6836275, 7056800, 8203530, 8468160, 8750432, 9032704, 10585200, 10938040, 11290880, 13125648, 13549056, 13672550, 14113600, 16407060, 16936320, 17500864, 20508825, 21170400, 21876080, 22581760, 26251296, 27098112, 27345100, 28227200, 32814120, 33872640, 35001728, 41017650, 42340800, 43752160, 45163520, 52502592, 54690200, 56454400, 65628240, 67745280, 70003456, 82035300, 84681600, 87504320, 105005184, 109380400, 112908800, 131256480, 135490560, 140006912, 164070600, 169363200, 175008640, 210010368, 218760800, 225817600, 262512960, 280013824, 328141200, 338726400, 350017280, 420020736, 437521600, 525025920, 656282400, 677452800, 700034560, 840041472, 875043200, 1050051840, 1312564800, 1400069120, 1750086400, 2100103680, 2625129600, 3500172800, 4200207360, 5250259200, 7000345600, 10500518400, 21001036800]

約数ペア:

[(1, 21001036800), (2, 10500518400), (3, 7000345600), (4, 5250259200), (5, 4200207360), (6, 3500172800), (8, 2625129600), (10, 2100103680), (12, 1750086400), (15, 1400069120), (16, 1312564800), (20, 1050051840), (24, 875043200), (25, 840041472), (30, 700034560), (31, 677452800), (32, 656282400), (40, 525025920), (48, 437521600), (50, 420020736), (60, 350017280), (62, 338726400), (64, 328141200), (75, 280013824), (80, 262512960), (93, 225817600), (96, 218760800), (100, 210010368), (120, 175008640), (124, 169363200), (128, 164070600), (150, 140006912), (155, 135490560), (160, 131256480), (186, 112908800), (192, 109380400), (200, 105005184), (240, 87504320), (248, 84681600), (256, 82035300), (300, 70003456), (310, 67745280), (320, 65628240), (372, 56454400), (384, 54690200), (400, 52502592), (465, 45163520), (480, 43752160), (496, 42340800), (512, 41017650), (600, 35001728), (620, 33872640), (640, 32814120), (744, 28227200), (768, 27345100), (775, 27098112), (800, 26251296), (930, 22581760), (960, 21876080), (992, 21170400), (1024, 20508825), (1200, 17500864), (1240, 16936320), (1280, 16407060), (1488, 14113600), (1536, 13672550), (1550, 13549056), (1600, 13125648), (1860, 11290880), (1920, 10938040), (1984, 10585200), (2325, 9032704), (2400, 8750432), (2480, 8468160), (2560, 8203530), (2976, 7056800), (3072, 6836275), (3100, 6774528), (3200, 6562824), (3720, 5645440), (3840, 5469020), (3968, 5292600), (4650, 4516352), (4800, 4375216), (4960, 4234080), (5120, 4101765), (5952, 3528400), (6200, 3387264), (6400, 3281412), (7440, 2822720), (7680, 2734510), (7936, 2646300), (8821, 2380800), (9300, 2258176), (9600, 2187608), (9920, 2117040), (11904, 1764200), (12400, 1693632), (12800, 1640706), (14880, 1411360), (15360, 1367255), (15872, 1323150), (17642, 1190400), (18600, 1129088), (19200, 1093804), (19840, 1058520), (23808, 882100), (24800, 846816), (25600, 820353), (26463, 793600), (29760, 705680), (31744, 661575), (35284, 595200), (37200, 564544), (38400, 546902), (39680, 529260), (44105, 476160), (47616, 441050), (49600, 423408), (52926, 396800), (59520, 352840), (70568, 297600), (74400, 282272), (76800, 273451), (79360, 264630), (88210, 238080), (95232, 220525), (99200, 211704), (105852, 198400), (119040, 176420), (132315, 158720), (141136, 148800)]