21595514885

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{40283}}^1$

素因数の和:40382

約数の個数: 48

約数和(自身を含む): 32055751296

約数和(自身を除く): 10460236411

約数列:

[1, 5, 7, 17, 35, 53, 85, 119, 265, 289, 371, 595, 901, 1445, 1855, 2023, 4505, 6307, 10115, 15317, 31535, 40283, 76585, 107219, 201415, 281981, 536095, 684811, 1409905, 2134999, 3424055, 4793677, 10674995, 11641787, 14944993, 23968385, 36294983, 58208935, 74724965, 81492509, 181474915, 254064881, 407462545, 617014711, 1270324405, 3085073555, 4319102977, 21595514885]

約数ペア:

[(1, 21595514885), (5, 4319102977), (7, 3085073555), (17, 1270324405), (35, 617014711), (53, 407462545), (85, 254064881), (119, 181474915), (265, 81492509), (289, 74724965), (371, 58208935), (595, 36294983), (901, 23968385), (1445, 14944993), (1855, 11641787), (2023, 10674995), (4505, 4793677), (6307, 3424055), (10115, 2134999), (15317, 1409905), (31535, 684811), (40283, 536095), (76585, 281981), (107219, 201415)]