21743608

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38281}}^1$

素因数の和:38358

約数の個数: 16

約数和(自身を含む): 41344560

約数和(自身を除く): 19600952

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38281, 76562, 153124, 306248, 2717951, 5435902, 10871804, 21743608]

約数ペア:

[(1, 21743608), (2, 10871804), (4, 5435902), (8, 2717951), (71, 306248), (142, 153124), (284, 76562), (568, 38281)]