21854394

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{9871}}^1$

素因数の和:9923

約数の個数: 32

約数和(自身を含む): 49754880

約数和(自身を除く): 27900486

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 738, 1107, 2214, 9871, 19742, 29613, 59226, 88839, 177678, 266517, 404711, 533034, 809422, 1214133, 2428266, 3642399, 7284798, 10927197, 21854394]

約数ペア:

[(1, 21854394), (2, 10927197), (3, 7284798), (6, 3642399), (9, 2428266), (18, 1214133), (27, 809422), (41, 533034), (54, 404711), (82, 266517), (123, 177678), (246, 88839), (369, 59226), (738, 29613), (1107, 19742), (2214, 9871)]