21438692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1759}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 41099520

約数和(自身を除く): 19660828

約数列:

[1, 2, 4, 11, 22, 44, 277, 554, 1108, 1759, 3047, 3518, 6094, 7036, 12188, 19349, 38698, 77396, 487243, 974486, 1948972, 5359673, 10719346, 21438692]

約数ペア:

[(1, 21438692), (2, 10719346), (4, 5359673), (11, 1948972), (22, 974486), (44, 487243), (277, 77396), (554, 38698), (1108, 19349), (1759, 12188), (3047, 7036), (3518, 6094)]