21153800

素因数分解:

$2^3\times 5^2\times {\mathrm{105769}}^1$

素因数の和:105785

約数の個数: 24

約数和(自身を含む): 49183050

約数和(自身を除く): 28029250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105769, 211538, 423076, 528845, 846152, 1057690, 2115380, 2644225, 4230760, 5288450, 10576900, 21153800]

約数ペア:

[(1, 21153800), (2, 10576900), (4, 5288450), (5, 4230760), (8, 2644225), (10, 2115380), (20, 1057690), (25, 846152), (40, 528845), (50, 423076), (100, 211538), (200, 105769)]