21680196608

素因数分解:

$2^{10}\times 7^2\times {\mathrm{67}}^1\times {\mathrm{6449}}^1$

素因数の和:6550

約数の個数: 132

約数和(自身を含む): 51175409400

約数和(自身を除く): 29495212792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 67, 98, 112, 128, 134, 196, 224, 256, 268, 392, 448, 469, 512, 536, 784, 896, 938, 1024, 1072, 1568, 1792, 1876, 2144, 3136, 3283, 3584, 3752, 4288, 6272, 6449, 6566, 7168, 7504, 8576, 12544, 12898, 13132, 15008, 17152, 25088, 25796, 26264, 30016, 34304, 45143, 50176, 51592, 52528, 60032, 68608, 90286, 103184, 105056, 120064, 180572, 206368, 210112, 240128, 316001, 361144, 412736, 420224, 432083, 480256, 632002, 722288, 825472, 840448, 864166, 1264004, 1444576, 1650944, 1680896, 1728332, 2528008, 2889152, 3024581, 3301888, 3361792, 3456664, 5056016, 5778304, 6049162, 6603776, 6913328, 10112032, 11556608, 12098324, 13826656, 20224064, 21172067, 23113216, 24196648, 27653312, 40448128, 42344134, 46226432, 48393296, 55306624, 80896256, 84688268, 96786592, 110613248, 161792512, 169376536, 193573184, 221226496, 323585024, 338753072, 387146368, 442452992, 677506144, 774292736, 1355012288, 1548585472, 2710024576, 3097170944, 5420049152, 10840098304, 21680196608]

約数ペア:

[(1, 21680196608), (2, 10840098304), (4, 5420049152), (7, 3097170944), (8, 2710024576), (14, 1548585472), (16, 1355012288), (28, 774292736), (32, 677506144), (49, 442452992), (56, 387146368), (64, 338753072), (67, 323585024), (98, 221226496), (112, 193573184), (128, 169376536), (134, 161792512), (196, 110613248), (224, 96786592), (256, 84688268), (268, 80896256), (392, 55306624), (448, 48393296), (469, 46226432), (512, 42344134), (536, 40448128), (784, 27653312), (896, 24196648), (938, 23113216), (1024, 21172067), (1072, 20224064), (1568, 13826656), (1792, 12098324), (1876, 11556608), (2144, 10112032), (3136, 6913328), (3283, 6603776), (3584, 6049162), (3752, 5778304), (4288, 5056016), (6272, 3456664), (6449, 3361792), (6566, 3301888), (7168, 3024581), (7504, 2889152), (8576, 2528008), (12544, 1728332), (12898, 1680896), (13132, 1650944), (15008, 1444576), (17152, 1264004), (25088, 864166), (25796, 840448), (26264, 825472), (30016, 722288), (34304, 632002), (45143, 480256), (50176, 432083), (51592, 420224), (52528, 412736), (60032, 361144), (68608, 316001), (90286, 240128), (103184, 210112), (105056, 206368), (120064, 180572)]