21349916

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26293}}^1$

素因数の和:26333

約数の個数: 24

約数和(自身を含む): 44173920

約数和(自身を除く): 22824004

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26293, 52586, 105172, 184051, 368102, 736204, 762497, 1524994, 3049988, 5337479, 10674958, 21349916]

約数ペア:

[(1, 21349916), (2, 10674958), (4, 5337479), (7, 3049988), (14, 1524994), (28, 762497), (29, 736204), (58, 368102), (116, 184051), (203, 105172), (406, 52586), (812, 26293)]