21376864

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{3391}}^1$

素因数の和:3598

約数の個数: 24

約数和(自身を含む): 42311808

約数和(自身を除く): 20934944

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 3391, 6304, 6782, 13564, 27128, 54256, 108512, 668027, 1336054, 2672108, 5344216, 10688432, 21376864]

約数ペア:

[(1, 21376864), (2, 10688432), (4, 5344216), (8, 2672108), (16, 1336054), (32, 668027), (197, 108512), (394, 54256), (788, 27128), (1576, 13564), (3152, 6782), (3391, 6304)]