21449200

素因数分解:

$2^4\times 5^2\times {\mathrm{53623}}^1$

素因数の和:53641

約数の個数: 30

約数和(自身を含む): 51532664

約数和(自身を除く): 30083464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53623, 107246, 214492, 268115, 428984, 536230, 857968, 1072460, 1340575, 2144920, 2681150, 4289840, 5362300, 10724600, 21449200]

約数ペア:

[(1, 21449200), (2, 10724600), (4, 5362300), (5, 4289840), (8, 2681150), (10, 2144920), (16, 1340575), (20, 1072460), (25, 857968), (40, 536230), (50, 428984), (80, 268115), (100, 214492), (200, 107246), (400, 53623)]