21283400

素因数分解:

$2^3\times 5^2\times {\mathrm{106417}}^1$

素因数の和:106433

約数の個数: 24

約数和(自身を含む): 49484370

約数和(自身を除く): 28200970

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 106417, 212834, 425668, 532085, 851336, 1064170, 2128340, 2660425, 4256680, 5320850, 10641700, 21283400]

約数ペア:

[(1, 21283400), (2, 10641700), (4, 5320850), (5, 4256680), (8, 2660425), (10, 2128340), (20, 1064170), (25, 851336), (40, 532085), (50, 425668), (100, 212834), (200, 106417)]