21706433

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3881}}^1$

素因数の和:3952

約数の個数: 16

約数和(自身を含む): 26832384

約数和(自身を除く): 5125951

約数列:

[1, 7, 17, 47, 119, 329, 799, 3881, 5593, 27167, 65977, 182407, 461839, 1276849, 3100919, 21706433]

約数ペア:

[(1, 21706433), (7, 3100919), (17, 1276849), (47, 461839), (119, 182407), (329, 65977), (799, 27167), (3881, 5593)]