21584794

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20023}}^1$

素因数の和:20050

約数の個数: 24

約数和(自身を含む): 41089248

約数和(自身を除く): 19504454

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20023, 40046, 140161, 220253, 280322, 440506, 981127, 1541771, 1962254, 3083542, 10792397, 21584794]

約数ペア:

[(1, 21584794), (2, 10792397), (7, 3083542), (11, 1962254), (14, 1541771), (22, 981127), (49, 440506), (77, 280322), (98, 220253), (154, 140161), (539, 40046), (1078, 20023)]