21704368

素因数分解:

$2^4\times 7^1\times {\mathrm{193789}}^1$

素因数の和:193804

約数の個数: 20

約数和(自身を含む): 48059920

約数和(自身を除く): 26355552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193789, 387578, 775156, 1356523, 1550312, 2713046, 3100624, 5426092, 10852184, 21704368]

約数ペア:

[(1, 21704368), (2, 10852184), (4, 5426092), (7, 3100624), (8, 2713046), (14, 1550312), (16, 1356523), (28, 775156), (56, 387578), (112, 193789)]