21715328

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8929}}^1$

素因数の和:8962

約数の個数: 32

約数和(自身を含む): 45543000

約数和(自身を除く): 23827672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8929, 17858, 35716, 71432, 142864, 169651, 285728, 339302, 571456, 678604, 1142912, 1357208, 2714416, 5428832, 10857664, 21715328]

約数ペア:

[(1, 21715328), (2, 10857664), (4, 5428832), (8, 2714416), (16, 1357208), (19, 1142912), (32, 678604), (38, 571456), (64, 339302), (76, 285728), (128, 169651), (152, 142864), (304, 71432), (608, 35716), (1216, 17858), (2432, 8929)]