21088054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17257}}^1$

素因数の和:17319

約数の個数: 16

約数和(自身を含む): 34792128

約数和(自身を除く): 13704074

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17257, 34514, 224341, 448682, 811079, 1622158, 10544027, 21088054]

約数ペア:

[(1, 21088054), (2, 10544027), (13, 1622158), (26, 811079), (47, 448682), (94, 224341), (611, 34514), (1222, 17257)]