21758518

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2287}}^1$

素因数の和:2427

約数の個数: 16

約数和(自身を含む): 33606144

約数和(自身を除く): 11847626

約数列:

[1, 2, 67, 71, 134, 142, 2287, 4574, 4757, 9514, 153229, 162377, 306458, 324754, 10879259, 21758518]

約数ペア:

[(1, 21758518), (2, 10879259), (67, 324754), (71, 306458), (134, 162377), (142, 153229), (2287, 9514), (4574, 4757)]