21263568

素因数分解:

$2^4\times 3^1\times {\mathrm{442991}}^1$

素因数の和:443002

約数の個数: 20

約数和(自身を含む): 54931008

約数和(自身を除く): 33667440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442991, 885982, 1328973, 1771964, 2657946, 3543928, 5315892, 7087856, 10631784, 21263568]

約数ペア:

[(1, 21263568), (2, 10631784), (3, 7087856), (4, 5315892), (6, 3543928), (8, 2657946), (12, 1771964), (16, 1328973), (24, 885982), (48, 442991)]