21389588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16763}}^1$

素因数の和:16807

約数の個数: 24

約数和(自身を含む): 42245280

約数和(自身を除く): 20855692

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16763, 33526, 67052, 184393, 368786, 486127, 737572, 972254, 1944508, 5347397, 10694794, 21389588]

約数ペア:

[(1, 21389588), (2, 10694794), (4, 5347397), (11, 1944508), (22, 972254), (29, 737572), (44, 486127), (58, 368786), (116, 184393), (319, 67052), (638, 33526), (1276, 16763)]