21145112

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56237}}^1$

素因数の和:56290

約数の個数: 16

約数和(自身を含む): 40491360

約数和(自身を除く): 19346248

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56237, 112474, 224948, 449896, 2643139, 5286278, 10572556, 21145112]

約数ペア:

[(1, 21145112), (2, 10572556), (4, 5286278), (8, 2643139), (47, 449896), (94, 224948), (188, 112474), (376, 56237)]