21404200

素因数分解:

$2^3\times 5^2\times {\mathrm{107021}}^1$

素因数の和:107037

約数の個数: 24

約数和(自身を含む): 49765230

約数和(自身を除く): 28361030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 107021, 214042, 428084, 535105, 856168, 1070210, 2140420, 2675525, 4280840, 5351050, 10702100, 21404200]

約数ペア:

[(1, 21404200), (2, 10702100), (4, 5351050), (5, 4280840), (8, 2675525), (10, 2140420), (20, 1070210), (25, 856168), (40, 535105), (50, 428084), (100, 214042), (200, 107021)]