21767245

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 26959680

約数和(自身を除く): 5192435

約数列:

[1, 5, 43, 137, 215, 685, 739, 3695, 5891, 29455, 31777, 101243, 158885, 506215, 4353449, 21767245]

約数ペア:

[(1, 21767245), (5, 4353449), (43, 506215), (137, 158885), (215, 101243), (685, 31777), (739, 29455), (3695, 5891)]