21616888

素因数分解:

$2^3\times {\mathrm{1619}}^1\times {\mathrm{1669}}^1$

素因数の和:3294

約数の個数: 16

約数和(自身を含む): 40581000

約数和(自身を除く): 18964112

約数列:

[1, 2, 4, 8, 1619, 1669, 3238, 3338, 6476, 6676, 12952, 13352, 2702111, 5404222, 10808444, 21616888]

約数ペア:

[(1, 21616888), (2, 10808444), (4, 5404222), (8, 2702111), (1619, 13352), (1669, 12952), (3238, 6676), (3338, 6476)]