21000688818

素因数分解:

$2^1\times 3^1\times {\mathrm{7717}}^1\times {\mathrm{453559}}^1$

素因数の和:461281

約数の個数: 16

約数和(自身を含む): 42006912960

約数和(自身を除く): 21006224142

約数列:

[1, 2, 3, 6, 7717, 15434, 23151, 46302, 453559, 907118, 1360677, 2721354, 3500114803, 7000229606, 10500344409, 21000688818]

約数ペア:

[(1, 21000688818), (2, 10500344409), (3, 7000229606), (6, 3500114803), (7717, 2721354), (15434, 1360677), (23151, 907118), (46302, 453559)]