21424480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 66189312

約数和(自身を除く): 44764832

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 37, 40, 44, 47, 55, 56, 70, 74, 77, 80, 88, 94, 110, 112, 140, 148, 154, 160, 176, 185, 188, 220, 224, 235, 259, 280, 296, 308, 329, 352, 370, 376, 385, 407, 440, 470, 517, 518, 560, 592, 616, 658, 740, 752, 770, 814, 880, 940, 1034, 1036, 1120, 1184, 1232, 1295, 1316, 1480, 1504, 1540, 1628, 1645, 1739, 1760, 1880, 2035, 2068, 2072, 2464, 2585, 2590, 2632, 2849, 2960, 3080, 3256, 3290, 3478, 3619, 3760, 4070, 4136, 4144, 5170, 5180, 5264, 5698, 5920, 6160, 6512, 6580, 6956, 7238, 7520, 8140, 8272, 8288, 8695, 10340, 10360, 10528, 11396, 12173, 12320, 13024, 13160, 13912, 14245, 14476, 16280, 16544, 17390, 18095, 19129, 20680, 20720, 22792, 24346, 26320, 27824, 28490, 28952, 32560, 34780, 36190, 38258, 41360, 41440, 45584, 48692, 52640, 55648, 56980, 57904, 60865, 65120, 69560, 72380, 76516, 82720, 91168, 95645, 97384, 113960, 115808, 121730, 133903, 139120, 144760, 153032, 191290, 194768, 227920, 243460, 267806, 278240, 289520, 306064, 382580, 389536, 455840, 486920, 535612, 579040, 612128, 669515, 765160, 973840, 1071224, 1339030, 1530320, 1947680, 2142448, 2678060, 3060640, 4284896, 5356120, 10712240, 21424480]

約数ペア:

[(1, 21424480), (2, 10712240), (4, 5356120), (5, 4284896), (7, 3060640), (8, 2678060), (10, 2142448), (11, 1947680), (14, 1530320), (16, 1339030), (20, 1071224), (22, 973840), (28, 765160), (32, 669515), (35, 612128), (37, 579040), (40, 535612), (44, 486920), (47, 455840), (55, 389536), (56, 382580), (70, 306064), (74, 289520), (77, 278240), (80, 267806), (88, 243460), (94, 227920), (110, 194768), (112, 191290), (140, 153032), (148, 144760), (154, 139120), (160, 133903), (176, 121730), (185, 115808), (188, 113960), (220, 97384), (224, 95645), (235, 91168), (259, 82720), (280, 76516), (296, 72380), (308, 69560), (329, 65120), (352, 60865), (370, 57904), (376, 56980), (385, 55648), (407, 52640), (440, 48692), (470, 45584), (517, 41440), (518, 41360), (560, 38258), (592, 36190), (616, 34780), (658, 32560), (740, 28952), (752, 28490), (770, 27824), (814, 26320), (880, 24346), (940, 22792), (1034, 20720), (1036, 20680), (1120, 19129), (1184, 18095), (1232, 17390), (1295, 16544), (1316, 16280), (1480, 14476), (1504, 14245), (1540, 13912), (1628, 13160), (1645, 13024), (1739, 12320), (1760, 12173), (1880, 11396), (2035, 10528), (2068, 10360), (2072, 10340), (2464, 8695), (2585, 8288), (2590, 8272), (2632, 8140), (2849, 7520), (2960, 7238), (3080, 6956), (3256, 6580), (3290, 6512), (3478, 6160), (3619, 5920), (3760, 5698), (4070, 5264), (4136, 5180), (4144, 5170)]