21515916

素因数分解:

$2^2\times 3^1\times {\mathrm{1009}}^1\times {\mathrm{1777}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 50281840

約数和(自身を除く): 28765924

約数列:

[1, 2, 3, 4, 6, 12, 1009, 1777, 2018, 3027, 3554, 4036, 5331, 6054, 7108, 10662, 12108, 21324, 1792993, 3585986, 5378979, 7171972, 10757958, 21515916]

約数ペア:

[(1, 21515916), (2, 10757958), (3, 7171972), (4, 5378979), (6, 3585986), (12, 1792993), (1009, 21324), (1777, 12108), (2018, 10662), (3027, 7108), (3554, 6054), (4036, 5331)]