21951416

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{4241}}^1$

素因数の和:4894

約数の個数: 16

約数和(自身を含む): 41232240

約数和(自身を除く): 19280824

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 4241, 5176, 8482, 16964, 33928, 2743927, 5487854, 10975708, 21951416]

約数ペア:

[(1, 21951416), (2, 10975708), (4, 5487854), (8, 2743927), (647, 33928), (1294, 16964), (2588, 8482), (4241, 5176)]