21487088

素因数分解:

$2^4\times 7^2\times {\mathrm{27407}}^1$

素因数の和:27429

約数の個数: 30

約数和(自身を含む): 48429936

約数和(自身を除く): 26942848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27407, 54814, 109628, 191849, 219256, 383698, 438512, 767396, 1342943, 1534792, 2685886, 3069584, 5371772, 10743544, 21487088]

約数ペア:

[(1, 21487088), (2, 10743544), (4, 5371772), (7, 3069584), (8, 2685886), (14, 1534792), (16, 1342943), (28, 767396), (49, 438512), (56, 383698), (98, 219256), (112, 191849), (196, 109628), (392, 54814), (784, 27407)]