21857222

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 24

約数和(自身を含む): 34865544

約数和(自身を除く): 13008322

約数列:

[1, 2, 23, 46, 73, 146, 283, 529, 566, 1058, 1679, 3358, 6509, 13018, 20659, 38617, 41318, 77234, 149707, 299414, 475157, 950314, 10928611, 21857222]

約数ペア:

[(1, 21857222), (2, 10928611), (23, 950314), (46, 475157), (73, 299414), (146, 149707), (283, 77234), (529, 41318), (566, 38617), (1058, 20659), (1679, 13018), (3358, 6509)]