21129816

素因数分解:

$2^3\times 3^1\times {\mathrm{880409}}^1$

素因数の和:880418

約数の個数: 16

約数和(自身を含む): 52824600

約数和(自身を除く): 31694784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 880409, 1760818, 2641227, 3521636, 5282454, 7043272, 10564908, 21129816]

約数ペア:

[(1, 21129816), (2, 10564908), (3, 7043272), (4, 5282454), (6, 3521636), (8, 2641227), (12, 1760818), (24, 880409)]