21497246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1999}}^1$

素因数の和:2303

約数の個数: 16

約数和(自身を含む): 34080000

約数和(自身を除く): 12582754

約数列:

[1, 2, 19, 38, 283, 566, 1999, 3998, 5377, 10754, 37981, 75962, 565717, 1131434, 10748623, 21497246]

約数ペア:

[(1, 21497246), (2, 10748623), (19, 1131434), (38, 565717), (283, 75962), (566, 37981), (1999, 10754), (3998, 5377)]