21158400

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 76111200

約数和(自身を除く): 54952800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 29, 30, 32, 38, 40, 48, 50, 57, 58, 60, 64, 75, 76, 80, 87, 95, 96, 100, 114, 116, 120, 128, 145, 150, 152, 160, 174, 190, 192, 200, 228, 232, 240, 256, 285, 290, 300, 304, 320, 348, 380, 384, 400, 435, 456, 464, 475, 480, 512, 551, 570, 580, 600, 608, 640, 696, 725, 760, 768, 800, 870, 912, 928, 950, 960, 1102, 1140, 1160, 1200, 1216, 1280, 1392, 1425, 1450, 1520, 1536, 1600, 1653, 1740, 1824, 1856, 1900, 1920, 2175, 2204, 2280, 2320, 2400, 2432, 2560, 2755, 2784, 2850, 2900, 3040, 3200, 3306, 3480, 3648, 3712, 3800, 3840, 4350, 4408, 4560, 4640, 4800, 4864, 5510, 5568, 5700, 5800, 6080, 6400, 6612, 6960, 7296, 7424, 7600, 7680, 8265, 8700, 8816, 9120, 9280, 9600, 9728, 11020, 11136, 11400, 11600, 12160, 12800, 13224, 13775, 13920, 14592, 14848, 15200, 16530, 17400, 17632, 18240, 18560, 19200, 22040, 22272, 22800, 23200, 24320, 26448, 27550, 27840, 29184, 30400, 33060, 34800, 35264, 36480, 37120, 38400, 41325, 44080, 44544, 45600, 46400, 48640, 52896, 55100, 55680, 60800, 66120, 69600, 70528, 72960, 74240, 82650, 88160, 91200, 92800, 105792, 110200, 111360, 121600, 132240, 139200, 141056, 145920, 165300, 176320, 182400, 185600, 211584, 220400, 222720, 243200, 264480, 278400, 282112, 330600, 352640, 364800, 371200, 423168, 440800, 528960, 556800, 661200, 705280, 729600, 846336, 881600, 1057920, 1113600, 1322400, 1410560, 1763200, 2115840, 2644800, 3526400, 4231680, 5289600, 7052800, 10579200, 21158400]

約数ペア:

[(1, 21158400), (2, 10579200), (3, 7052800), (4, 5289600), (5, 4231680), (6, 3526400), (8, 2644800), (10, 2115840), (12, 1763200), (15, 1410560), (16, 1322400), (19, 1113600), (20, 1057920), (24, 881600), (25, 846336), (29, 729600), (30, 705280), (32, 661200), (38, 556800), (40, 528960), (48, 440800), (50, 423168), (57, 371200), (58, 364800), (60, 352640), (64, 330600), (75, 282112), (76, 278400), (80, 264480), (87, 243200), (95, 222720), (96, 220400), (100, 211584), (114, 185600), (116, 182400), (120, 176320), (128, 165300), (145, 145920), (150, 141056), (152, 139200), (160, 132240), (174, 121600), (190, 111360), (192, 110200), (200, 105792), (228, 92800), (232, 91200), (240, 88160), (256, 82650), (285, 74240), (290, 72960), (300, 70528), (304, 69600), (320, 66120), (348, 60800), (380, 55680), (384, 55100), (400, 52896), (435, 48640), (456, 46400), (464, 45600), (475, 44544), (480, 44080), (512, 41325), (551, 38400), (570, 37120), (580, 36480), (600, 35264), (608, 34800), (640, 33060), (696, 30400), (725, 29184), (760, 27840), (768, 27550), (800, 26448), (870, 24320), (912, 23200), (928, 22800), (950, 22272), (960, 22040), (1102, 19200), (1140, 18560), (1160, 18240), (1200, 17632), (1216, 17400), (1280, 16530), (1392, 15200), (1425, 14848), (1450, 14592), (1520, 13920), (1536, 13775), (1600, 13224), (1653, 12800), (1740, 12160), (1824, 11600), (1856, 11400), (1900, 11136), (1920, 11020), (2175, 9728), (2204, 9600), (2280, 9280), (2320, 9120), (2400, 8816), (2432, 8700), (2560, 8265), (2755, 7680), (2784, 7600), (2850, 7424), (2900, 7296), (3040, 6960), (3200, 6612), (3306, 6400), (3480, 6080), (3648, 5800), (3712, 5700), (3800, 5568), (3840, 5510), (4350, 4864), (4408, 4800), (4560, 4640)]