21597184

素因数分解:

$2^{10}\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 88

約数和(自身を含む): 51879168

約数和(自身を除く): 30281984

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 131, 161, 184, 224, 256, 262, 322, 368, 448, 512, 524, 644, 736, 896, 917, 1024, 1048, 1288, 1472, 1792, 1834, 2096, 2576, 2944, 3013, 3584, 3668, 4192, 5152, 5888, 6026, 7168, 7336, 8384, 10304, 11776, 12052, 14672, 16768, 20608, 21091, 23552, 24104, 29344, 33536, 41216, 42182, 48208, 58688, 67072, 82432, 84364, 96416, 117376, 134144, 164864, 168728, 192832, 234752, 337456, 385664, 469504, 674912, 771328, 939008, 1349824, 1542656, 2699648, 3085312, 5399296, 10798592, 21597184]

約数ペア:

[(1, 21597184), (2, 10798592), (4, 5399296), (7, 3085312), (8, 2699648), (14, 1542656), (16, 1349824), (23, 939008), (28, 771328), (32, 674912), (46, 469504), (56, 385664), (64, 337456), (92, 234752), (112, 192832), (128, 168728), (131, 164864), (161, 134144), (184, 117376), (224, 96416), (256, 84364), (262, 82432), (322, 67072), (368, 58688), (448, 48208), (512, 42182), (524, 41216), (644, 33536), (736, 29344), (896, 24104), (917, 23552), (1024, 21091), (1048, 20608), (1288, 16768), (1472, 14672), (1792, 12052), (1834, 11776), (2096, 10304), (2576, 8384), (2944, 7336), (3013, 7168), (3584, 6026), (3668, 5888), (4192, 5152)]