21000724812

素因数分解:

$2^2\times 3^2\times {\mathrm{583353467}}^1$

素因数の和:583353477

約数の個数: 18

約数和(自身を含む): 53085165588

約数和(自身を除く): 32084440776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 583353467, 1166706934, 1750060401, 2333413868, 3500120802, 5250181203, 7000241604, 10500362406, 21000724812]

約数ペア:

[(1, 21000724812), (2, 10500362406), (3, 7000241604), (4, 5250181203), (6, 3500120802), (9, 2333413868), (12, 1750060401), (18, 1166706934), (36, 583353467)]