21308044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1549}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 39494000

約数和(自身を除く): 18185956

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 1549, 3098, 3439, 6196, 6878, 13756, 29431, 58862, 117724, 280369, 560738, 1121476, 5327011, 10654022, 21308044]

約数ペア:

[(1, 21308044), (2, 10654022), (4, 5327011), (19, 1121476), (38, 560738), (76, 280369), (181, 117724), (362, 58862), (724, 29431), (1549, 13756), (3098, 6878), (3439, 6196)]