21047129600

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{467}}^1\times {\mathrm{503}}^1$

素因数の和:1005

約数の個数: 240

約数和(自身を含む): 59841669888

約数和(自身を除く): 38794540288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 467, 503, 512, 560, 640, 700, 800, 896, 934, 1006, 1120, 1280, 1400, 1600, 1792, 1868, 2012, 2240, 2335, 2515, 2560, 2800, 3200, 3269, 3521, 3584, 3736, 4024, 4480, 4670, 5030, 5600, 6400, 6538, 7042, 7472, 8048, 8960, 9340, 10060, 11200, 11675, 12575, 12800, 13076, 14084, 14944, 16096, 16345, 17605, 17920, 18680, 20120, 22400, 23350, 25150, 26152, 28168, 29888, 32192, 32690, 35210, 37360, 40240, 44800, 46700, 50300, 52304, 56336, 59776, 64384, 65380, 70420, 74720, 80480, 81725, 88025, 89600, 93400, 100600, 104608, 112672, 119552, 128768, 130760, 140840, 149440, 160960, 163450, 176050, 186800, 201200, 209216, 225344, 234901, 239104, 257536, 261520, 281680, 298880, 321920, 326900, 352100, 373600, 402400, 418432, 450688, 469802, 523040, 563360, 597760, 643840, 653800, 704200, 747200, 804800, 836864, 901376, 939604, 1046080, 1126720, 1174505, 1195520, 1287680, 1307600, 1408400, 1494400, 1609600, 1644307, 1673728, 1802752, 1879208, 2092160, 2253440, 2349010, 2615200, 2816800, 2988800, 3219200, 3288614, 3758416, 4184320, 4506880, 4698020, 5230400, 5633600, 5872525, 5977600, 6438400, 6577228, 7516832, 8221535, 8368640, 9013760, 9396040, 10460800, 11267200, 11745050, 13154456, 15033664, 16443070, 18792080, 20921600, 22534400, 23490100, 26308912, 30067328, 32886140, 37584160, 41107675, 41843200, 45068800, 46980200, 52617824, 60134656, 65772280, 75168320, 82215350, 93960400, 105235648, 120269312, 131544560, 150336640, 164430700, 187920800, 210471296, 263089120, 300673280, 328861400, 375841600, 420942592, 526178240, 601346560, 657722800, 751683200, 841885184, 1052356480, 1315445600, 1503366400, 2104712960, 2630891200, 3006732800, 4209425920, 5261782400, 10523564800, 21047129600]

約数ペア:

[(1, 21047129600), (2, 10523564800), (4, 5261782400), (5, 4209425920), (7, 3006732800), (8, 2630891200), (10, 2104712960), (14, 1503366400), (16, 1315445600), (20, 1052356480), (25, 841885184), (28, 751683200), (32, 657722800), (35, 601346560), (40, 526178240), (50, 420942592), (56, 375841600), (64, 328861400), (70, 300673280), (80, 263089120), (100, 210471296), (112, 187920800), (128, 164430700), (140, 150336640), (160, 131544560), (175, 120269312), (200, 105235648), (224, 93960400), (256, 82215350), (280, 75168320), (320, 65772280), (350, 60134656), (400, 52617824), (448, 46980200), (467, 45068800), (503, 41843200), (512, 41107675), (560, 37584160), (640, 32886140), (700, 30067328), (800, 26308912), (896, 23490100), (934, 22534400), (1006, 20921600), (1120, 18792080), (1280, 16443070), (1400, 15033664), (1600, 13154456), (1792, 11745050), (1868, 11267200), (2012, 10460800), (2240, 9396040), (2335, 9013760), (2515, 8368640), (2560, 8221535), (2800, 7516832), (3200, 6577228), (3269, 6438400), (3521, 5977600), (3584, 5872525), (3736, 5633600), (4024, 5230400), (4480, 4698020), (4670, 4506880), (5030, 4184320), (5600, 3758416), (6400, 3288614), (6538, 3219200), (7042, 2988800), (7472, 2816800), (8048, 2615200), (8960, 2349010), (9340, 2253440), (10060, 2092160), (11200, 1879208), (11675, 1802752), (12575, 1673728), (12800, 1644307), (13076, 1609600), (14084, 1494400), (14944, 1408400), (16096, 1307600), (16345, 1287680), (17605, 1195520), (17920, 1174505), (18680, 1126720), (20120, 1046080), (22400, 939604), (23350, 901376), (25150, 836864), (26152, 804800), (28168, 747200), (29888, 704200), (32192, 653800), (32690, 643840), (35210, 597760), (37360, 563360), (40240, 523040), (44800, 469802), (46700, 450688), (50300, 418432), (52304, 402400), (56336, 373600), (59776, 352100), (64384, 326900), (65380, 321920), (70420, 298880), (74720, 281680), (80480, 261520), (81725, 257536), (88025, 239104), (89600, 234901), (93400, 225344), (100600, 209216), (104608, 201200), (112672, 186800), (119552, 176050), (128768, 163450), (130760, 160960), (140840, 149440)]