21922484

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 39191880

約数和(自身を除く): 17269396

約数列:

[1, 2, 4, 73, 146, 193, 292, 386, 389, 772, 778, 1556, 14089, 28178, 28397, 56356, 56794, 75077, 113588, 150154, 300308, 5480621, 10961242, 21922484]

約数ペア:

[(1, 21922484), (2, 10961242), (4, 5480621), (73, 300308), (146, 150154), (193, 113588), (292, 75077), (386, 56794), (389, 56356), (772, 28397), (778, 28178), (1556, 14089)]