21707766

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63473}}^1$

素因数の和:63500

約数の個数: 24

約数和(自身を含む): 49509720

約数和(自身を除く): 27801954

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63473, 126946, 190419, 380838, 571257, 1142514, 1205987, 2411974, 3617961, 7235922, 10853883, 21707766]

約数ペア:

[(1, 21707766), (2, 10853883), (3, 7235922), (6, 3617961), (9, 2411974), (18, 1205987), (19, 1142514), (38, 571257), (57, 380838), (114, 190419), (171, 126946), (342, 63473)]