2100095380

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{213859}}^1$

素因数の和:214359

約数の個数: 24

約数和(自身を含む): 4419203040

約数和(自身を除く): 2319107660

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 213859, 427718, 855436, 1069295, 2138590, 4277180, 105004769, 210009538, 420019076, 525023845, 1050047690, 2100095380]

約数ペア:

[(1, 2100095380), (2, 1050047690), (4, 525023845), (5, 420019076), (10, 210009538), (20, 105004769), (491, 4277180), (982, 2138590), (1964, 1069295), (2455, 855436), (4910, 427718), (9820, 213859)]