21246386

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 17339854

約数列:

[1, 2, 7, 14, 29, 43, 58, 86, 203, 301, 406, 602, 1217, 1247, 2434, 2494, 8519, 8729, 17038, 17458, 35293, 52331, 70586, 104662, 247051, 366317, 494102, 732634, 1517599, 3035198, 10623193, 21246386]

約数ペア:

[(1, 21246386), (2, 10623193), (7, 3035198), (14, 1517599), (29, 732634), (43, 494102), (58, 366317), (86, 247051), (203, 104662), (301, 70586), (406, 52331), (602, 35293), (1217, 17458), (1247, 17038), (2434, 8729), (2494, 8519)]