21277396

素因数分解:

$2^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{937}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 42652736

約数和(自身を除く): 21375340

約数列:

[1, 2, 4, 7, 14, 28, 811, 937, 1622, 1874, 3244, 3748, 5677, 6559, 11354, 13118, 22708, 26236, 759907, 1519814, 3039628, 5319349, 10638698, 21277396]

約数ペア:

[(1, 21277396), (2, 10638698), (4, 5319349), (7, 3039628), (14, 1519814), (28, 759907), (811, 26236), (937, 22708), (1622, 13118), (1874, 11354), (3244, 6559), (3748, 5677)]