21891422

素因数分解:

$2^1\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{1471}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 37588992

約数和(自身を除く): 15697570

約数列:

[1, 2, 7, 14, 1063, 1471, 2126, 2942, 7441, 10297, 14882, 20594, 1563673, 3127346, 10945711, 21891422]

約数ペア:

[(1, 21891422), (2, 10945711), (7, 3127346), (14, 1563673), (1063, 20594), (1471, 14882), (2126, 10297), (2942, 7441)]