21409669120

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:966

約数の個数: 224

約数和(自身を含む): 59450630400

約数和(自身を除く): 38040961280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 320, 356, 445, 448, 512, 560, 623, 640, 712, 839, 890, 896, 1024, 1120, 1246, 1280, 1424, 1678, 1780, 1792, 2048, 2240, 2492, 2560, 2848, 3115, 3356, 3560, 3584, 4096, 4195, 4480, 4984, 5120, 5696, 5873, 6230, 6712, 7120, 7168, 8192, 8390, 8960, 9968, 10240, 11392, 11746, 12460, 13424, 14240, 14336, 16780, 17920, 19936, 20480, 22784, 23492, 24920, 26848, 28480, 28672, 29365, 33560, 35840, 39872, 40960, 45568, 46984, 49840, 53696, 56960, 57344, 58730, 67120, 71680, 74671, 79744, 91136, 93968, 99680, 107392, 113920, 117460, 134240, 143360, 149342, 159488, 182272, 187936, 199360, 214784, 227840, 234920, 268480, 286720, 298684, 318976, 364544, 373355, 375872, 398720, 429568, 455680, 469840, 522697, 536960, 597368, 637952, 729088, 746710, 751744, 797440, 859136, 911360, 939680, 1045394, 1073920, 1194736, 1275904, 1493420, 1503488, 1594880, 1718272, 1822720, 1879360, 2090788, 2147840, 2389472, 2551808, 2613485, 2986840, 3006976, 3189760, 3436544, 3645440, 3758720, 4181576, 4295680, 4778944, 5103616, 5226970, 5973680, 6013952, 6379520, 6873088, 7517440, 8363152, 8591360, 9557888, 10453940, 11947360, 12027904, 12759040, 15034880, 16726304, 17182720, 19115776, 20907880, 23894720, 24055808, 25518080, 30069760, 33452608, 34365440, 38231552, 41815760, 47789440, 48111616, 60139520, 66905216, 76463104, 83631520, 95578880, 120279040, 133810432, 152926208, 167263040, 191157760, 240558080, 267620864, 305852416, 334526080, 382315520, 535241728, 611704832, 669052160, 764631040, 1070483456, 1338104320, 1529262080, 2140966912, 2676208640, 3058524160, 4281933824, 5352417280, 10704834560, 21409669120]

約数ペア:

[(1, 21409669120), (2, 10704834560), (4, 5352417280), (5, 4281933824), (7, 3058524160), (8, 2676208640), (10, 2140966912), (14, 1529262080), (16, 1338104320), (20, 1070483456), (28, 764631040), (32, 669052160), (35, 611704832), (40, 535241728), (56, 382315520), (64, 334526080), (70, 305852416), (80, 267620864), (89, 240558080), (112, 191157760), (128, 167263040), (140, 152926208), (160, 133810432), (178, 120279040), (224, 95578880), (256, 83631520), (280, 76463104), (320, 66905216), (356, 60139520), (445, 48111616), (448, 47789440), (512, 41815760), (560, 38231552), (623, 34365440), (640, 33452608), (712, 30069760), (839, 25518080), (890, 24055808), (896, 23894720), (1024, 20907880), (1120, 19115776), (1246, 17182720), (1280, 16726304), (1424, 15034880), (1678, 12759040), (1780, 12027904), (1792, 11947360), (2048, 10453940), (2240, 9557888), (2492, 8591360), (2560, 8363152), (2848, 7517440), (3115, 6873088), (3356, 6379520), (3560, 6013952), (3584, 5973680), (4096, 5226970), (4195, 5103616), (4480, 4778944), (4984, 4295680), (5120, 4181576), (5696, 3758720), (5873, 3645440), (6230, 3436544), (6712, 3189760), (7120, 3006976), (7168, 2986840), (8192, 2613485), (8390, 2551808), (8960, 2389472), (9968, 2147840), (10240, 2090788), (11392, 1879360), (11746, 1822720), (12460, 1718272), (13424, 1594880), (14240, 1503488), (14336, 1493420), (16780, 1275904), (17920, 1194736), (19936, 1073920), (20480, 1045394), (22784, 939680), (23492, 911360), (24920, 859136), (26848, 797440), (28480, 751744), (28672, 746710), (29365, 729088), (33560, 637952), (35840, 597368), (39872, 536960), (40960, 522697), (45568, 469840), (46984, 455680), (49840, 429568), (53696, 398720), (56960, 375872), (57344, 373355), (58730, 364544), (67120, 318976), (71680, 298684), (74671, 286720), (79744, 268480), (91136, 234920), (93968, 227840), (99680, 214784), (107392, 199360), (113920, 187936), (117460, 182272), (134240, 159488), (143360, 149342)]