21537324

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13913}}^1$

素因数の和:13966

約数の個数: 36

約数和(自身を含む): 55711656

約数和(自身を除く): 34174332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13913, 27826, 41739, 55652, 83478, 125217, 166956, 250434, 500868, 598259, 1196518, 1794777, 2393036, 3589554, 5384331, 7179108, 10768662, 21537324]

約数ペア:

[(1, 21537324), (2, 10768662), (3, 7179108), (4, 5384331), (6, 3589554), (9, 2393036), (12, 1794777), (18, 1196518), (36, 598259), (43, 500868), (86, 250434), (129, 166956), (172, 125217), (258, 83478), (387, 55652), (516, 41739), (774, 27826), (1548, 13913)]