21838676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16903}}^1$

素因数の和:16943

約数の個数: 24

約数和(自身を含む): 42598080

約数和(自身を除く): 20759404

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16903, 33806, 67612, 287351, 321157, 574702, 642314, 1149404, 1284628, 5459669, 10919338, 21838676]

約数ペア:

[(1, 21838676), (2, 10919338), (4, 5459669), (17, 1284628), (19, 1149404), (34, 642314), (38, 574702), (68, 321157), (76, 287351), (323, 67612), (646, 33806), (1292, 16903)]