21097119

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2311}}^1$

素因数の和:2510

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 8866401

約数列:

[1, 3, 17, 51, 179, 537, 2311, 3043, 6933, 9129, 39287, 117861, 413669, 1241007, 7032373, 21097119]

約数ペア:

[(1, 21097119), (3, 7032373), (17, 1241007), (51, 413669), (179, 117861), (537, 39287), (2311, 9129), (3043, 6933)]