21839788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{857}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 40072032

約数和(自身を除く): 18232244

約数列:

[1, 2, 4, 23, 46, 92, 277, 554, 857, 1108, 1714, 3428, 6371, 12742, 19711, 25484, 39422, 78844, 237389, 474778, 949556, 5459947, 10919894, 21839788]

約数ペア:

[(1, 21839788), (2, 10919894), (4, 5459947), (23, 949556), (46, 474778), (92, 237389), (277, 78844), (554, 39422), (857, 25484), (1108, 19711), (1714, 12742), (3428, 6371)]