21938078

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{3089}}^1$

素因数の和:3211

約数の個数: 16

約数和(自身を含む): 34039440

約数和(自身を除く): 12101362

約数列:

[1, 2, 53, 67, 106, 134, 3089, 3551, 6178, 7102, 163717, 206963, 327434, 413926, 10969039, 21938078]

約数ペア:

[(1, 21938078), (2, 10969039), (53, 413926), (67, 327434), (106, 206963), (134, 163717), (3089, 7102), (3551, 6178)]