21383593

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{839}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 26772480

約数和(自身を除く): 5388887

約数列:

[1, 7, 11, 77, 331, 839, 2317, 3641, 5873, 9229, 25487, 64603, 277709, 1943963, 3054799, 21383593]

約数ペア:

[(1, 21383593), (7, 3054799), (11, 1943963), (77, 277709), (331, 64603), (839, 25487), (2317, 9229), (3641, 5873)]