21592125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 41249520

約数和(自身を除く): 19657395

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1129, 1275, 2125, 3387, 3825, 5645, 6375, 10161, 16935, 19125, 19193, 28225, 50805, 57579, 84675, 95965, 141125, 172737, 254025, 287895, 423375, 479825, 863685, 1270125, 1439475, 2399125, 4318425, 7197375, 21592125]

約数ペア:

[(1, 21592125), (3, 7197375), (5, 4318425), (9, 2399125), (15, 1439475), (17, 1270125), (25, 863685), (45, 479825), (51, 423375), (75, 287895), (85, 254025), (125, 172737), (153, 141125), (225, 95965), (255, 84675), (375, 57579), (425, 50805), (765, 28225), (1125, 19193), (1129, 19125), (1275, 16935), (2125, 10161), (3387, 6375), (3825, 5645)]