21145864

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56239}}^1$

素因数の和:56292

約数の個数: 16

約数和(自身を含む): 40492800

約数和(自身を除く): 19346936

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56239, 112478, 224956, 449912, 2643233, 5286466, 10572932, 21145864]

約数ペア:

[(1, 21145864), (2, 10572932), (4, 5286466), (8, 2643233), (47, 449912), (94, 224956), (188, 112478), (376, 56239)]