21505212

素因数分解:

$2^2\times 3^2\times {\mathrm{597367}}^1$

素因数の和:597377

約数の個数: 18

約数和(自身を含む): 54360488

約数和(自身を除く): 32855276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 597367, 1194734, 1792101, 2389468, 3584202, 5376303, 7168404, 10752606, 21505212]

約数ペア:

[(1, 21505212), (2, 10752606), (3, 7168404), (4, 5376303), (6, 3584202), (9, 2389468), (12, 1792101), (18, 1194734), (36, 597367)]