21766428

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 58304400

約数和(自身を除く): 36537972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 109, 129, 172, 218, 258, 327, 387, 436, 516, 654, 774, 981, 1161, 1308, 1548, 1849, 1962, 2322, 2943, 3698, 3924, 4644, 4687, 5547, 5886, 7396, 9374, 11094, 11772, 14061, 16641, 18748, 22188, 28122, 33282, 42183, 49923, 56244, 66564, 84366, 99846, 126549, 168732, 199692, 201541, 253098, 403082, 506196, 604623, 806164, 1209246, 1813869, 2418492, 3627738, 5441607, 7255476, 10883214, 21766428]

約数ペア:

[(1, 21766428), (2, 10883214), (3, 7255476), (4, 5441607), (6, 3627738), (9, 2418492), (12, 1813869), (18, 1209246), (27, 806164), (36, 604623), (43, 506196), (54, 403082), (86, 253098), (108, 201541), (109, 199692), (129, 168732), (172, 126549), (218, 99846), (258, 84366), (327, 66564), (387, 56244), (436, 49923), (516, 42183), (654, 33282), (774, 28122), (981, 22188), (1161, 18748), (1308, 16641), (1548, 14061), (1849, 11772), (1962, 11094), (2322, 9374), (2943, 7396), (3698, 5886), (3924, 5547), (4644, 4687)]