21629060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11149}}^1$

素因数の和:11255

約数の個数: 24

約数和(自身を含む): 45893400

約数和(自身を除く): 24264340

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 11149, 22298, 44596, 55745, 111490, 222980, 1081453, 2162906, 4325812, 5407265, 10814530, 21629060]

約数ペア:

[(1, 21629060), (2, 10814530), (4, 5407265), (5, 4325812), (10, 2162906), (20, 1081453), (97, 222980), (194, 111490), (388, 55745), (485, 44596), (970, 22298), (1940, 11149)]