21166309

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2161691

約数列:

[1, 17, 47, 59, 449, 799, 1003, 2773, 7633, 21103, 26491, 47141, 358751, 450347, 1245077, 21166309]

約数ペア:

[(1, 21166309), (17, 1245077), (47, 450347), (59, 358751), (449, 47141), (799, 26491), (1003, 21103), (2773, 7633)]