21109008

素因数分解:

$2^4\times 3^1\times {\mathrm{439771}}^1$

素因数の和:439782

約数の個数: 20

約数和(自身を含む): 54531728

約数和(自身を除く): 33422720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439771, 879542, 1319313, 1759084, 2638626, 3518168, 5277252, 7036336, 10554504, 21109008]

約数ペア:

[(1, 21109008), (2, 10554504), (3, 7036336), (4, 5277252), (6, 3518168), (8, 2638626), (12, 1759084), (16, 1319313), (24, 879542), (48, 439771)]