21199812

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{60919}}^1$

素因数の和:60955

約数の個数: 24

約数和(自身を含む): 51172800

約数和(自身を除く): 29972988

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 60919, 121838, 182757, 243676, 365514, 731028, 1766651, 3533302, 5299953, 7066604, 10599906, 21199812]

約数ペア:

[(1, 21199812), (2, 10599906), (3, 7066604), (4, 5299953), (6, 3533302), (12, 1766651), (29, 731028), (58, 365514), (87, 243676), (116, 182757), (174, 121838), (348, 60919)]