21184688

素因数分解:

$2^4\times 7^1\times {\mathrm{189149}}^1$

素因数の和:189164

約数の個数: 20

約数和(自身を含む): 46909200

約数和(自身を除く): 25724512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189149, 378298, 756596, 1324043, 1513192, 2648086, 3026384, 5296172, 10592344, 21184688]

約数ペア:

[(1, 21184688), (2, 10592344), (4, 5296172), (7, 3026384), (8, 2648086), (14, 1513192), (16, 1324043), (28, 756596), (56, 378298), (112, 189149)]