21893148

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 58470048

約数和(自身を除く): 36576900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 193, 207, 274, 276, 386, 411, 414, 548, 579, 772, 822, 828, 1158, 1233, 1644, 1737, 2316, 2466, 3151, 3474, 4439, 4932, 6302, 6948, 8878, 9453, 12604, 13317, 17756, 18906, 26441, 26634, 28359, 37812, 39951, 52882, 53268, 56718, 79323, 79902, 105764, 113436, 158646, 159804, 237969, 317292, 475938, 608143, 951876, 1216286, 1824429, 2432572, 3648858, 5473287, 7297716, 10946574, 21893148]

約数ペア:

[(1, 21893148), (2, 10946574), (3, 7297716), (4, 5473287), (6, 3648858), (9, 2432572), (12, 1824429), (18, 1216286), (23, 951876), (36, 608143), (46, 475938), (69, 317292), (92, 237969), (137, 159804), (138, 158646), (193, 113436), (207, 105764), (274, 79902), (276, 79323), (386, 56718), (411, 53268), (414, 52882), (548, 39951), (579, 37812), (772, 28359), (822, 26634), (828, 26441), (1158, 18906), (1233, 17756), (1644, 13317), (1737, 12604), (2316, 9453), (2466, 8878), (3151, 6948), (3474, 6302), (4439, 4932)]