21131160960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{120943}}^1$

素因数の和:120985

約数の個数: 256

約数和(自身を含む): 82899855360

約数和(自身を除く): 61768694400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 640, 672, 728, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1664, 1680, 1820, 1920, 2080, 2184, 2240, 2496, 2688, 2730, 2912, 3120, 3360, 3640, 4160, 4368, 4480, 4992, 5460, 5824, 6240, 6720, 7280, 8320, 8736, 10920, 11648, 12480, 13440, 14560, 17472, 21840, 24960, 29120, 34944, 43680, 58240, 87360, 120943, 174720, 241886, 362829, 483772, 604715, 725658, 846601, 967544, 1209430, 1451316, 1572259, 1693202, 1814145, 1935088, 2418860, 2539803, 2902632, 3144518, 3386404, 3628290, 3870176, 4233005, 4716777, 4837720, 5079606, 5805264, 6289036, 6772808, 7256580, 7740352, 7861295, 8466010, 9433554, 9675440, 10159212, 11005813, 11610528, 12578072, 12699015, 13545616, 14513160, 15480704, 15722590, 16932020, 18867108, 19350880, 20318424, 22011626, 23221056, 23583885, 25156144, 25398030, 27091232, 29026320, 31445180, 33017439, 33864040, 37734216, 38701760, 40636848, 44023252, 46442112, 47167770, 50312288, 50796060, 54182464, 55029065, 58052640, 62890360, 66034878, 67728080, 75468432, 77403520, 81273696, 88046504, 94335540, 100624576, 101592120, 108364928, 110058130, 116105280, 125780720, 132069756, 135456160, 150936864, 162547392, 165087195, 176093008, 188671080, 201249152, 203184240, 220116260, 232210560, 251561440, 264139512, 270912320, 301873728, 325094784, 330174390, 352186016, 377342160, 406368480, 440232520, 503122880, 528279024, 541824640, 603747456, 660348780, 704372032, 754684320, 812736960, 880465040, 1006245760, 1056558048, 1320697560, 1408744064, 1509368640, 1625473920, 1760930080, 2113116096, 2641395120, 3018737280, 3521860160, 4226232192, 5282790240, 7043720320, 10565580480, 21131160960]

約数ペア:

[(1, 21131160960), (2, 10565580480), (3, 7043720320), (4, 5282790240), (5, 4226232192), (6, 3521860160), (7, 3018737280), (8, 2641395120), (10, 2113116096), (12, 1760930080), (13, 1625473920), (14, 1509368640), (15, 1408744064), (16, 1320697560), (20, 1056558048), (21, 1006245760), (24, 880465040), (26, 812736960), (28, 754684320), (30, 704372032), (32, 660348780), (35, 603747456), (39, 541824640), (40, 528279024), (42, 503122880), (48, 440232520), (52, 406368480), (56, 377342160), (60, 352186016), (64, 330174390), (65, 325094784), (70, 301873728), (78, 270912320), (80, 264139512), (84, 251561440), (91, 232210560), (96, 220116260), (104, 203184240), (105, 201249152), (112, 188671080), (120, 176093008), (128, 165087195), (130, 162547392), (140, 150936864), (156, 135456160), (160, 132069756), (168, 125780720), (182, 116105280), (192, 110058130), (195, 108364928), (208, 101592120), (210, 100624576), (224, 94335540), (240, 88046504), (260, 81273696), (273, 77403520), (280, 75468432), (312, 67728080), (320, 66034878), (336, 62890360), (364, 58052640), (384, 55029065), (390, 54182464), (416, 50796060), (420, 50312288), (448, 47167770), (455, 46442112), (480, 44023252), (520, 40636848), (546, 38701760), (560, 37734216), (624, 33864040), (640, 33017439), (672, 31445180), (728, 29026320), (780, 27091232), (832, 25398030), (840, 25156144), (896, 23583885), (910, 23221056), (960, 22011626), (1040, 20318424), (1092, 19350880), (1120, 18867108), (1248, 16932020), (1344, 15722590), (1365, 15480704), (1456, 14513160), (1560, 13545616), (1664, 12699015), (1680, 12578072), (1820, 11610528), (1920, 11005813), (2080, 10159212), (2184, 9675440), (2240, 9433554), (2496, 8466010), (2688, 7861295), (2730, 7740352), (2912, 7256580), (3120, 6772808), (3360, 6289036), (3640, 5805264), (4160, 5079606), (4368, 4837720), (4480, 4716777), (4992, 4233005), (5460, 3870176), (5824, 3628290), (6240, 3386404), (6720, 3144518), (7280, 2902632), (8320, 2539803), (8736, 2418860), (10920, 1935088), (11648, 1814145), (12480, 1693202), (13440, 1572259), (14560, 1451316), (17472, 1209430), (21840, 967544), (24960, 846601), (29120, 725658), (34944, 604715), (43680, 483772), (58240, 362829), (87360, 241886), (120943, 174720)]