21062968

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{27143}}^1$

素因数の和:27246

約数の個数: 16

約数和(自身を含む): 39901680

約数和(自身を除く): 18838712

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 27143, 54286, 108572, 217144, 2632871, 5265742, 10531484, 21062968]

約数ペア:

[(1, 21062968), (2, 10531484), (4, 5265742), (8, 2632871), (97, 217144), (194, 108572), (388, 54286), (776, 27143)]