21283328

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3779}}^1$

素因数の和:3808

約数の個数: 40

約数和(自身を含む): 46403280

約数和(自身を除く): 25119952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3779, 5632, 7558, 15116, 30232, 41569, 60464, 83138, 120928, 166276, 241856, 332552, 483712, 665104, 967424, 1330208, 1934848, 2660416, 5320832, 10641664, 21283328]

約数ペア:

[(1, 21283328), (2, 10641664), (4, 5320832), (8, 2660416), (11, 1934848), (16, 1330208), (22, 967424), (32, 665104), (44, 483712), (64, 332552), (88, 241856), (128, 166276), (176, 120928), (256, 83138), (352, 60464), (512, 41569), (704, 30232), (1408, 15116), (2816, 7558), (3779, 5632)]