21571904

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8221}}^1$

素因数の和:8274

約数の個数: 28

約数和(自身を含む): 43856148

約数和(自身を除く): 22284244

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8221, 16442, 32884, 65768, 131536, 263072, 337061, 526144, 674122, 1348244, 2696488, 5392976, 10785952, 21571904]

約数ペア:

[(1, 21571904), (2, 10785952), (4, 5392976), (8, 2696488), (16, 1348244), (32, 674122), (41, 526144), (64, 337061), (82, 263072), (164, 131536), (328, 65768), (656, 32884), (1312, 16442), (2624, 8221)]