21148765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22619}}^1$

素因数の和:22652

約数の個数: 16

約数和(自身を含む): 29315520

約数和(自身を除く): 8166755

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22619, 113095, 248809, 384523, 1244045, 1922615, 4229753, 21148765]

約数ペア:

[(1, 21148765), (5, 4229753), (11, 1922615), (17, 1244045), (55, 384523), (85, 248809), (187, 113095), (935, 22619)]