21429666

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 48891960

約数和(自身を除く): 27462294

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 673, 1098, 1346, 1769, 2019, 3538, 4038, 5307, 6057, 10614, 12114, 15921, 19517, 31842, 39034, 41053, 58551, 82106, 117102, 123159, 175653, 246318, 351306, 369477, 738954, 1190537, 2381074, 3571611, 7143222, 10714833, 21429666]

約数ペア:

[(1, 21429666), (2, 10714833), (3, 7143222), (6, 3571611), (9, 2381074), (18, 1190537), (29, 738954), (58, 369477), (61, 351306), (87, 246318), (122, 175653), (174, 123159), (183, 117102), (261, 82106), (366, 58551), (522, 41053), (549, 39034), (673, 31842), (1098, 19517), (1346, 15921), (1769, 12114), (2019, 10614), (3538, 6057), (4038, 5307)]