21505644

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1419

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 38248596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1367, 1748, 2622, 2734, 3933, 4101, 5244, 5468, 7866, 8202, 12303, 15732, 16404, 24606, 25973, 31441, 49212, 51946, 62882, 77919, 94323, 103892, 125764, 155838, 188646, 233757, 282969, 311676, 377292, 467514, 565938, 597379, 935028, 1131876, 1194758, 1792137, 2389516, 3584274, 5376411, 7168548, 10752822, 21505644]

約数ペア:

[(1, 21505644), (2, 10752822), (3, 7168548), (4, 5376411), (6, 3584274), (9, 2389516), (12, 1792137), (18, 1194758), (19, 1131876), (23, 935028), (36, 597379), (38, 565938), (46, 467514), (57, 377292), (69, 311676), (76, 282969), (92, 233757), (114, 188646), (138, 155838), (171, 125764), (207, 103892), (228, 94323), (276, 77919), (342, 62882), (414, 51946), (437, 49212), (684, 31441), (828, 25973), (874, 24606), (1311, 16404), (1367, 15732), (1748, 12303), (2622, 8202), (2734, 7866), (3933, 5468), (4101, 5244)]