21067776

素因数分解:

$2^{11}\times 3^4\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 63423360

約数和(自身を除く): 42355584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 127, 128, 144, 162, 192, 216, 254, 256, 288, 324, 381, 384, 432, 508, 512, 576, 648, 762, 768, 864, 1016, 1024, 1143, 1152, 1296, 1524, 1536, 1728, 2032, 2048, 2286, 2304, 2592, 3048, 3072, 3429, 3456, 4064, 4572, 4608, 5184, 6096, 6144, 6858, 6912, 8128, 9144, 9216, 10287, 10368, 12192, 13716, 13824, 16256, 18288, 18432, 20574, 20736, 24384, 27432, 27648, 32512, 36576, 41148, 41472, 48768, 54864, 55296, 65024, 73152, 82296, 82944, 97536, 109728, 130048, 146304, 164592, 165888, 195072, 219456, 260096, 292608, 329184, 390144, 438912, 585216, 658368, 780288, 877824, 1170432, 1316736, 1755648, 2340864, 2633472, 3511296, 5266944, 7022592, 10533888, 21067776]

約数ペア:

[(1, 21067776), (2, 10533888), (3, 7022592), (4, 5266944), (6, 3511296), (8, 2633472), (9, 2340864), (12, 1755648), (16, 1316736), (18, 1170432), (24, 877824), (27, 780288), (32, 658368), (36, 585216), (48, 438912), (54, 390144), (64, 329184), (72, 292608), (81, 260096), (96, 219456), (108, 195072), (127, 165888), (128, 164592), (144, 146304), (162, 130048), (192, 109728), (216, 97536), (254, 82944), (256, 82296), (288, 73152), (324, 65024), (381, 55296), (384, 54864), (432, 48768), (508, 41472), (512, 41148), (576, 36576), (648, 32512), (762, 27648), (768, 27432), (864, 24384), (1016, 20736), (1024, 20574), (1143, 18432), (1152, 18288), (1296, 16256), (1524, 13824), (1536, 13716), (1728, 12192), (2032, 10368), (2048, 10287), (2286, 9216), (2304, 9144), (2592, 8128), (3048, 6912), (3072, 6858), (3429, 6144), (3456, 6096), (4064, 5184), (4572, 4608)]