21105400

素因数分解:

$2^3\times 5^2\times {\mathrm{105527}}^1$

素因数の和:105543

約数の個数: 24

約数和(自身を含む): 49070520

約数和(自身を除く): 27965120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105527, 211054, 422108, 527635, 844216, 1055270, 2110540, 2638175, 4221080, 5276350, 10552700, 21105400]

約数ペア:

[(1, 21105400), (2, 10552700), (4, 5276350), (5, 4221080), (8, 2638175), (10, 2110540), (20, 1055270), (25, 844216), (40, 527635), (50, 422108), (100, 211054), (200, 105527)]