21812427

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26633}}^1$

素因数の和:26659

約数の個数: 24

約数和(自身を含む): 38779104

約数和(自身を除く): 16966677

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 26633, 79899, 186431, 239697, 346229, 559293, 1038687, 1677879, 2423603, 3116061, 7270809, 21812427]

約数ペア:

[(1, 21812427), (3, 7270809), (7, 3116061), (9, 2423603), (13, 1677879), (21, 1038687), (39, 559293), (63, 346229), (91, 239697), (117, 186431), (273, 79899), (819, 26633)]