21172932

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 58985472

約数和(自身を除く): 37812540

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 127, 132, 198, 254, 381, 396, 421, 508, 762, 842, 1143, 1263, 1397, 1524, 1684, 2286, 2526, 2794, 3789, 4191, 4572, 4631, 5052, 5588, 7578, 8382, 9262, 12573, 13893, 15156, 16764, 18524, 25146, 27786, 41679, 50292, 53467, 55572, 83358, 106934, 160401, 166716, 213868, 320802, 481203, 588137, 641604, 962406, 1176274, 1764411, 1924812, 2352548, 3528822, 5293233, 7057644, 10586466, 21172932]

約数ペア:

[(1, 21172932), (2, 10586466), (3, 7057644), (4, 5293233), (6, 3528822), (9, 2352548), (11, 1924812), (12, 1764411), (18, 1176274), (22, 962406), (33, 641604), (36, 588137), (44, 481203), (66, 320802), (99, 213868), (127, 166716), (132, 160401), (198, 106934), (254, 83358), (381, 55572), (396, 53467), (421, 50292), (508, 41679), (762, 27786), (842, 25146), (1143, 18524), (1263, 16764), (1397, 15156), (1524, 13893), (1684, 12573), (2286, 9262), (2526, 8382), (2794, 7578), (3789, 5588), (4191, 5052), (4572, 4631)]