21971016

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1549}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 59845500

約数和(自身を除く): 37874484

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1549, 1576, 1773, 2364, 3098, 3546, 4647, 4728, 6196, 7092, 9294, 12392, 13941, 14184, 18588, 27882, 37176, 55764, 111528, 305153, 610306, 915459, 1220612, 1830918, 2441224, 2746377, 3661836, 5492754, 7323672, 10985508, 21971016]

約数ペア:

[(1, 21971016), (2, 10985508), (3, 7323672), (4, 5492754), (6, 3661836), (8, 2746377), (9, 2441224), (12, 1830918), (18, 1220612), (24, 915459), (36, 610306), (72, 305153), (197, 111528), (394, 55764), (591, 37176), (788, 27882), (1182, 18588), (1549, 14184), (1576, 13941), (1773, 12392), (2364, 9294), (3098, 7092), (3546, 6196), (4647, 4728)]