21506688

素因数分解:

$2^7\times 3^3\times 7^2\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 74419200

約数和(自身を除く): 52912512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 127, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 254, 288, 294, 336, 378, 381, 384, 392, 432, 441, 448, 504, 508, 576, 588, 672, 756, 762, 784, 864, 882, 889, 896, 1008, 1016, 1143, 1152, 1176, 1323, 1344, 1512, 1524, 1568, 1728, 1764, 1778, 2016, 2032, 2286, 2352, 2646, 2667, 2688, 3024, 3048, 3136, 3429, 3456, 3528, 3556, 4032, 4064, 4572, 4704, 5292, 5334, 6048, 6096, 6223, 6272, 6858, 7056, 7112, 8001, 8064, 8128, 9144, 9408, 10584, 10668, 12096, 12192, 12446, 13716, 14112, 14224, 16002, 16256, 18288, 18669, 18816, 21168, 21336, 24003, 24192, 24384, 24892, 27432, 28224, 28448, 32004, 36576, 37338, 42336, 42672, 48006, 48768, 49784, 54864, 56007, 56448, 56896, 64008, 73152, 74676, 84672, 85344, 96012, 99568, 109728, 112014, 113792, 128016, 146304, 149352, 168021, 169344, 170688, 192024, 199136, 219456, 224028, 256032, 298704, 336042, 341376, 384048, 398272, 438912, 448056, 512064, 597408, 672084, 768096, 796544, 896112, 1024128, 1194816, 1344168, 1536192, 1792224, 2389632, 2688336, 3072384, 3584448, 5376672, 7168896, 10753344, 21506688]

約数ペア:

[(1, 21506688), (2, 10753344), (3, 7168896), (4, 5376672), (6, 3584448), (7, 3072384), (8, 2688336), (9, 2389632), (12, 1792224), (14, 1536192), (16, 1344168), (18, 1194816), (21, 1024128), (24, 896112), (27, 796544), (28, 768096), (32, 672084), (36, 597408), (42, 512064), (48, 448056), (49, 438912), (54, 398272), (56, 384048), (63, 341376), (64, 336042), (72, 298704), (84, 256032), (96, 224028), (98, 219456), (108, 199136), (112, 192024), (126, 170688), (127, 169344), (128, 168021), (144, 149352), (147, 146304), (168, 128016), (189, 113792), (192, 112014), (196, 109728), (216, 99568), (224, 96012), (252, 85344), (254, 84672), (288, 74676), (294, 73152), (336, 64008), (378, 56896), (381, 56448), (384, 56007), (392, 54864), (432, 49784), (441, 48768), (448, 48006), (504, 42672), (508, 42336), (576, 37338), (588, 36576), (672, 32004), (756, 28448), (762, 28224), (784, 27432), (864, 24892), (882, 24384), (889, 24192), (896, 24003), (1008, 21336), (1016, 21168), (1143, 18816), (1152, 18669), (1176, 18288), (1323, 16256), (1344, 16002), (1512, 14224), (1524, 14112), (1568, 13716), (1728, 12446), (1764, 12192), (1778, 12096), (2016, 10668), (2032, 10584), (2286, 9408), (2352, 9144), (2646, 8128), (2667, 8064), (2688, 8001), (3024, 7112), (3048, 7056), (3136, 6858), (3429, 6272), (3456, 6223), (3528, 6096), (3556, 6048), (4032, 5334), (4064, 5292), (4572, 4704)]