21460817

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7841}}^1$

素因数の和:7888

約数の個数: 16

約数和(自身を含む): 27101952

約数和(自身を除く): 5641135

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7841, 54887, 133297, 180343, 933079, 1262401, 3065831, 21460817]

約数ペア:

[(1, 21460817), (7, 3065831), (17, 1262401), (23, 933079), (119, 180343), (161, 133297), (391, 54887), (2737, 7841)]