21946995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 46122336

約数和(自身を除く): 24175341

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 193, 285, 315, 361, 399, 579, 665, 855, 965, 1083, 1197, 1351, 1737, 1805, 1995, 2527, 2895, 3249, 3667, 4053, 5415, 5985, 6755, 7581, 8685, 11001, 12159, 12635, 16245, 18335, 20265, 22743, 25669, 33003, 37905, 55005, 60795, 69673, 77007, 113715, 128345, 165015, 209019, 231021, 348365, 385035, 487711, 627057, 1045095, 1155105, 1463133, 2438555, 3135285, 4389399, 7315665, 21946995]

約数ペア:

[(1, 21946995), (3, 7315665), (5, 4389399), (7, 3135285), (9, 2438555), (15, 1463133), (19, 1155105), (21, 1045095), (35, 627057), (45, 487711), (57, 385035), (63, 348365), (95, 231021), (105, 209019), (133, 165015), (171, 128345), (193, 113715), (285, 77007), (315, 69673), (361, 60795), (399, 55005), (579, 37905), (665, 33003), (855, 25669), (965, 22743), (1083, 20265), (1197, 18335), (1351, 16245), (1737, 12635), (1805, 12159), (1995, 11001), (2527, 8685), (2895, 7581), (3249, 6755), (3667, 5985), (4053, 5415)]