215512122

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{72271}}^1$

素因数の和:72354

約数の個数: 32

約数和(自身を含む): 499544064

約数和(自身を除く): 284031942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 72271, 144542, 216813, 433626, 505897, 1011794, 1517691, 3035382, 5131241, 10262482, 15393723, 30787446, 35918687, 71837374, 107756061, 215512122]

約数ペア:

[(1, 215512122), (2, 107756061), (3, 71837374), (6, 35918687), (7, 30787446), (14, 15393723), (21, 10262482), (42, 5131241), (71, 3035382), (142, 1517691), (213, 1011794), (426, 505897), (497, 433626), (994, 216813), (1491, 144542), (2982, 72271)]