21038256

素因数分解:

$2^4\times 3^2\times {\mathrm{146099}}^1$

素因数の和:146113

約数の個数: 30

約数和(自身を含む): 58878300

約数和(自身を除く): 37840044

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146099, 292198, 438297, 584396, 876594, 1168792, 1314891, 1753188, 2337584, 2629782, 3506376, 5259564, 7012752, 10519128, 21038256]

約数ペア:

[(1, 21038256), (2, 10519128), (3, 7012752), (4, 5259564), (6, 3506376), (8, 2629782), (9, 2337584), (12, 1753188), (16, 1314891), (18, 1168792), (24, 876594), (36, 584396), (48, 438297), (72, 292198), (144, 146099)]