21788186

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2198

約数の個数: 32

約数和(自身を含む): 40487040

約数和(自身を除く): 18698854

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 2129, 4258, 5117, 10234, 14903, 29806, 36193, 72386, 91547, 183094, 253351, 506702, 640829, 1281658, 1556299, 3112598, 10894093, 21788186]

約数ペア:

[(1, 21788186), (2, 10894093), (7, 3112598), (14, 1556299), (17, 1281658), (34, 640829), (43, 506702), (86, 253351), (119, 183094), (238, 91547), (301, 72386), (602, 36193), (731, 29806), (1462, 14903), (2129, 10234), (4258, 5117)]