21297636

素因数分解:

$2^2\times 3^2\times {\mathrm{591601}}^1$

素因数の和:591611

約数の個数: 18

約数和(自身を含む): 53835782

約数和(自身を除く): 32538146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591601, 1183202, 1774803, 2366404, 3549606, 5324409, 7099212, 10648818, 21297636]

約数ペア:

[(1, 21297636), (2, 10648818), (3, 7099212), (4, 5324409), (6, 3549606), (9, 2366404), (12, 1774803), (18, 1183202), (36, 591601)]