21770523

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7489}}^1$

素因数の和:7531

約数の個数: 24

約数和(自身を含む): 35053200

約数和(自身を除く): 13282677

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7489, 22467, 67401, 127313, 142291, 381939, 426873, 1145817, 1280619, 2418947, 7256841, 21770523]

約数ペア:

[(1, 21770523), (3, 7256841), (9, 2418947), (17, 1280619), (19, 1145817), (51, 426873), (57, 381939), (153, 142291), (171, 127313), (323, 67401), (969, 22467), (2907, 7489)]