21344624

素因数分解:

$2^4\times 7^1\times {\mathrm{190577}}^1$

素因数の和:190592

約数の個数: 20

約数和(自身を含む): 47263344

約数和(自身を除く): 25918720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190577, 381154, 762308, 1334039, 1524616, 2668078, 3049232, 5336156, 10672312, 21344624]

約数ペア:

[(1, 21344624), (2, 10672312), (4, 5336156), (7, 3049232), (8, 2668078), (14, 1524616), (16, 1334039), (28, 762308), (56, 381154), (112, 190577)]