21890099

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9803}}^1$

素因数の和:9850

約数の個数: 16

約数和(自身を含む): 28235520

約数和(自身を除く): 6345421

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9803, 68621, 107833, 284287, 754831, 1990009, 3127157, 21890099]

約数ペア:

[(1, 21890099), (7, 3127157), (11, 1990009), (29, 754831), (77, 284287), (203, 107833), (319, 68621), (2233, 9803)]