21421683

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7411

約数の個数: 24

約数和(自身を含む): 34491600

約数和(自身を除く): 13069917

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7369, 22107, 66321, 125273, 140011, 375819, 420033, 1127457, 1260099, 2380187, 7140561, 21421683]

約数ペア:

[(1, 21421683), (3, 7140561), (9, 2380187), (17, 1260099), (19, 1127457), (51, 420033), (57, 375819), (153, 140011), (171, 125273), (323, 66321), (969, 22107), (2907, 7369)]