21000886414058

素因数分解:

$2^1\times {\mathrm{521}}^1\times {\mathrm{947}}^1\times {\mathrm{2543}}^1\times {\mathrm{8369}}^1$

素因数の和:12382

約数の個数: 32

約数和(自身を含む): 31611322103040

約数和(自身を除く): 10610435688982

約数列:

[1, 2, 521, 947, 1042, 1894, 2543, 5086, 8369, 16738, 493387, 986774, 1324903, 2408221, 2649806, 4360249, 4816442, 7925443, 8720498, 15850886, 21282367, 42564734, 1254683141, 2509366282, 4129155803, 8258311606, 11088113207, 20154401549, 22176226414, 40308803098, 10500443207029, 21000886414058]

約数ペア:

[(1, 21000886414058), (2, 10500443207029), (521, 40308803098), (947, 22176226414), (1042, 20154401549), (1894, 11088113207), (2543, 8258311606), (5086, 4129155803), (8369, 2509366282), (16738, 1254683141), (493387, 42564734), (986774, 21282367), (1324903, 15850886), (2408221, 8720498), (2649806, 7925443), (4360249, 4816442)]