2621178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 6604416

約数和(自身を除く): 3983238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 293, 426, 497, 586, 639, 879, 994, 1278, 1491, 1758, 2051, 2637, 2982, 4102, 4473, 5274, 6153, 8946, 12306, 18459, 20803, 36918, 41606, 62409, 124818, 145621, 187227, 291242, 374454, 436863, 873726, 1310589, 2621178]

約数ペア:

[(1, 2621178), (2, 1310589), (3, 873726), (6, 436863), (7, 374454), (9, 291242), (14, 187227), (18, 145621), (21, 124818), (42, 62409), (63, 41606), (71, 36918), (126, 20803), (142, 18459), (213, 12306), (293, 8946), (426, 6153), (497, 5274), (586, 4473), (639, 4102), (879, 2982), (994, 2637), (1278, 2051), (1491, 1758)]