21071928

素因数分解:

$2^3\times 3^1\times {\mathrm{877997}}^1$

素因数の和:878006

約数の個数: 16

約数和(自身を含む): 52679880

約数和(自身を除く): 31607952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 877997, 1755994, 2633991, 3511988, 5267982, 7023976, 10535964, 21071928]

約数ペア:

[(1, 21071928), (2, 10535964), (3, 7023976), (4, 5267982), (6, 3511988), (8, 2633991), (12, 1755994), (24, 877997)]