21169071

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2777}}^1$

素因数の和:2812

約数の個数: 36

約数和(自身を含む): 38425296

約数和(自身を除く): 17256225

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 2777, 7623, 8331, 19439, 24993, 30547, 58317, 91641, 174951, 213829, 274923, 336017, 641487, 1008051, 1924461, 2352119, 3024153, 7056357, 21169071]

約数ペア:

[(1, 21169071), (3, 7056357), (7, 3024153), (9, 2352119), (11, 1924461), (21, 1008051), (33, 641487), (63, 336017), (77, 274923), (99, 213829), (121, 174951), (231, 91641), (363, 58317), (693, 30547), (847, 24993), (1089, 19439), (2541, 8331), (2777, 7623)]