21188944

素因数分解:

$2^4\times 7^1\times {\mathrm{189187}}^1$

素因数の和:189202

約数の個数: 20

約数和(自身を含む): 46918624

約数和(自身を除く): 25729680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189187, 378374, 756748, 1324309, 1513496, 2648618, 3026992, 5297236, 10594472, 21188944]

約数ペア:

[(1, 21188944), (2, 10594472), (4, 5297236), (7, 3026992), (8, 2648618), (14, 1513496), (16, 1324309), (28, 756748), (56, 378374), (112, 189187)]