21896854

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 39790080

約数和(自身を除く): 17893226

約数列:

[1, 2, 7, 14, 19, 38, 133, 263, 266, 313, 526, 626, 1841, 2191, 3682, 4382, 4997, 5947, 9994, 11894, 34979, 41629, 69958, 82319, 83258, 164638, 576233, 1152466, 1564061, 3128122, 10948427, 21896854]

約数ペア:

[(1, 21896854), (2, 10948427), (7, 3128122), (14, 1564061), (19, 1152466), (38, 576233), (133, 164638), (263, 83258), (266, 82319), (313, 69958), (526, 41629), (626, 34979), (1841, 11894), (2191, 9994), (3682, 5947), (4382, 4997)]