21581824

素因数分解:

$2^{12}\times {\mathrm{11}}^1\times {\mathrm{479}}^1$

素因数の和:514

約数の個数: 52

約数和(自身を含む): 47180160

約数和(自身を除く): 25598336

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 479, 512, 704, 958, 1024, 1408, 1916, 2048, 2816, 3832, 4096, 5269, 5632, 7664, 10538, 11264, 15328, 21076, 22528, 30656, 42152, 45056, 61312, 84304, 122624, 168608, 245248, 337216, 490496, 674432, 980992, 1348864, 1961984, 2697728, 5395456, 10790912, 21581824]

約数ペア:

[(1, 21581824), (2, 10790912), (4, 5395456), (8, 2697728), (11, 1961984), (16, 1348864), (22, 980992), (32, 674432), (44, 490496), (64, 337216), (88, 245248), (128, 168608), (176, 122624), (256, 84304), (352, 61312), (479, 45056), (512, 42152), (704, 30656), (958, 22528), (1024, 21076), (1408, 15328), (1916, 11264), (2048, 10538), (2816, 7664), (3832, 5632), (4096, 5269)]