21835888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80279}}^1$

素因数の和:80304

約数の個数: 20

約数和(自身を含む): 44796240

約数和(自身を除く): 22960352

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80279, 160558, 321116, 642232, 1284464, 1364743, 2729486, 5458972, 10917944, 21835888]

約数ペア:

[(1, 21835888), (2, 10917944), (4, 5458972), (8, 2729486), (16, 1364743), (17, 1284464), (34, 642232), (68, 321116), (136, 160558), (272, 80279)]