21717465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18803}}^1$

素因数の和:18829

約数の個数: 32

約数和(自身を含む): 43324416

約数和(自身を除く): 21606951

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18803, 56409, 94015, 131621, 206833, 282045, 394863, 620499, 658105, 1034165, 1447831, 1974315, 3102495, 4343493, 7239155, 21717465]

約数ペア:

[(1, 21717465), (3, 7239155), (5, 4343493), (7, 3102495), (11, 1974315), (15, 1447831), (21, 1034165), (33, 658105), (35, 620499), (55, 394863), (77, 282045), (105, 206833), (165, 131621), (231, 94015), (385, 56409), (1155, 18803)]