21857928

素因数分解:

$2^3\times 3^1\times {\mathrm{910747}}^1$

素因数の和:910756

約数の個数: 16

約数和(自身を含む): 54644880

約数和(自身を除く): 32786952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 910747, 1821494, 2732241, 3642988, 5464482, 7285976, 10928964, 21857928]

約数ペア:

[(1, 21857928), (2, 10928964), (3, 7285976), (4, 5464482), (6, 3642988), (8, 2732241), (12, 1821494), (24, 910747)]