210979482

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 282537318

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 139, 142, 213, 278, 417, 426, 497, 509, 834, 973, 994, 1018, 1491, 1527, 1946, 2919, 2982, 3054, 3563, 5838, 7126, 9869, 10689, 19738, 21378, 29607, 36139, 59214, 69083, 70751, 72278, 108417, 138166, 141502, 207249, 212253, 216834, 252973, 414498, 424506, 495257, 505946, 758919, 990514, 1485771, 1517838, 2971542, 5023321, 10046642, 15069963, 30139926, 35163247, 70326494, 105489741, 210979482]

約数ペア:

[(1, 210979482), (2, 105489741), (3, 70326494), (6, 35163247), (7, 30139926), (14, 15069963), (21, 10046642), (42, 5023321), (71, 2971542), (139, 1517838), (142, 1485771), (213, 990514), (278, 758919), (417, 505946), (426, 495257), (497, 424506), (509, 414498), (834, 252973), (973, 216834), (994, 212253), (1018, 207249), (1491, 141502), (1527, 138166), (1946, 108417), (2919, 72278), (2982, 70751), (3054, 69083), (3563, 59214), (5838, 36139), (7126, 29607), (9869, 21378), (10689, 19738)]