21882971

素因数分解:

${\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:475

約数の個数: 16

約数和(自身を含む): 24718176

約数和(自身を除く): 2835205

約数列:

[1, 11, 41, 121, 401, 451, 1331, 4411, 4961, 16441, 48521, 54571, 180851, 533731, 1989361, 21882971]

約数ペア:

[(1, 21882971), (11, 1989361), (41, 533731), (121, 180851), (401, 54571), (451, 48521), (1331, 16441), (4411, 4961)]