21683959

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 26524800

約数和(自身を除く): 4840841

約数列:

[1, 11, 17, 19, 187, 209, 289, 323, 359, 3179, 3553, 3949, 5491, 6103, 6821, 60401, 67133, 75031, 103751, 115957, 1141261, 1275527, 1971269, 21683959]

約数ペア:

[(1, 21683959), (11, 1971269), (17, 1275527), (19, 1141261), (187, 115957), (209, 103751), (289, 75031), (323, 67133), (359, 60401), (3179, 6821), (3553, 6103), (3949, 5491)]