21514080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 192

約数和(自身を含む): 81768960

約数和(自身を除く): 60254880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 337, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 674, 760, 798, 840, 912, 1011, 1064, 1120, 1140, 1330, 1348, 1520, 1596, 1680, 1685, 1824, 1995, 2022, 2128, 2280, 2359, 2660, 2696, 3040, 3192, 3360, 3370, 3990, 4044, 4256, 4560, 4718, 5055, 5320, 5392, 6384, 6403, 6740, 7077, 7980, 8088, 9120, 9436, 10110, 10640, 10784, 11795, 12768, 12806, 13480, 14154, 15960, 16176, 18872, 19209, 20220, 21280, 23590, 25612, 26960, 28308, 31920, 32015, 32352, 35385, 37744, 38418, 40440, 44821, 47180, 51224, 53920, 56616, 63840, 64030, 70770, 75488, 76836, 80880, 89642, 94360, 96045, 102448, 113232, 128060, 134463, 141540, 153672, 161760, 179284, 188720, 192090, 204896, 224105, 226464, 256120, 268926, 283080, 307344, 358568, 377440, 384180, 448210, 512240, 537852, 566160, 614688, 672315, 717136, 768360, 896420, 1024480, 1075704, 1132320, 1344630, 1434272, 1536720, 1792840, 2151408, 2689260, 3073440, 3585680, 4302816, 5378520, 7171360, 10757040, 21514080]

約数ペア:

[(1, 21514080), (2, 10757040), (3, 7171360), (4, 5378520), (5, 4302816), (6, 3585680), (7, 3073440), (8, 2689260), (10, 2151408), (12, 1792840), (14, 1536720), (15, 1434272), (16, 1344630), (19, 1132320), (20, 1075704), (21, 1024480), (24, 896420), (28, 768360), (30, 717136), (32, 672315), (35, 614688), (38, 566160), (40, 537852), (42, 512240), (48, 448210), (56, 384180), (57, 377440), (60, 358568), (70, 307344), (76, 283080), (80, 268926), (84, 256120), (95, 226464), (96, 224105), (105, 204896), (112, 192090), (114, 188720), (120, 179284), (133, 161760), (140, 153672), (152, 141540), (160, 134463), (168, 128060), (190, 113232), (210, 102448), (224, 96045), (228, 94360), (240, 89642), (266, 80880), (280, 76836), (285, 75488), (304, 70770), (336, 64030), (337, 63840), (380, 56616), (399, 53920), (420, 51224), (456, 47180), (480, 44821), (532, 40440), (560, 38418), (570, 37744), (608, 35385), (665, 32352), (672, 32015), (674, 31920), (760, 28308), (798, 26960), (840, 25612), (912, 23590), (1011, 21280), (1064, 20220), (1120, 19209), (1140, 18872), (1330, 16176), (1348, 15960), (1520, 14154), (1596, 13480), (1680, 12806), (1685, 12768), (1824, 11795), (1995, 10784), (2022, 10640), (2128, 10110), (2280, 9436), (2359, 9120), (2660, 8088), (2696, 7980), (3040, 7077), (3192, 6740), (3360, 6403), (3370, 6384), (3990, 5392), (4044, 5320), (4256, 5055), (4560, 4718)]