21940550

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{3203}}^1$

素因数の和:3352

約数の個数: 24

約数和(自身を含む): 41120136

約数和(自身を除く): 19179586

約数列:

[1, 2, 5, 10, 25, 50, 137, 274, 685, 1370, 3203, 3425, 6406, 6850, 16015, 32030, 80075, 160150, 438811, 877622, 2194055, 4388110, 10970275, 21940550]

約数ペア:

[(1, 21940550), (2, 10970275), (5, 4388110), (10, 2194055), (25, 877622), (50, 438811), (137, 160150), (274, 80075), (685, 32030), (1370, 16015), (3203, 6850), (3425, 6406)]