21253216

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{11257}}^1$

素因数の和:11326

約数の個数: 24

約数和(自身を含む): 42555240

約数和(自身を除く): 21302024

約数列:

[1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944, 1888, 11257, 22514, 45028, 90056, 180112, 360224, 664163, 1328326, 2656652, 5313304, 10626608, 21253216]

約数ペア:

[(1, 21253216), (2, 10626608), (4, 5313304), (8, 2656652), (16, 1328326), (32, 664163), (59, 360224), (118, 180112), (236, 90056), (472, 45028), (944, 22514), (1888, 11257)]