21197172

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10837}}^1$

素因数の和:11007

約数の個数: 24

約数和(自身を含む): 49768096

約数和(自身を除く): 28570924

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10837, 21674, 32511, 43348, 65022, 130044, 1766431, 3532862, 5299293, 7065724, 10598586, 21197172]

約数ペア:

[(1, 21197172), (2, 10598586), (3, 7065724), (4, 5299293), (6, 3532862), (12, 1766431), (163, 130044), (326, 65022), (489, 43348), (652, 32511), (978, 21674), (1956, 10837)]