213400866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{71563}}^1$

素因数の和:71646

約数の個数: 32

約数和(自身を含む): 494650368

約数和(自身を除く): 281249502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 71563, 143126, 214689, 429378, 500941, 1001882, 1502823, 3005646, 5080973, 10161946, 15242919, 30485838, 35566811, 71133622, 106700433, 213400866]

約数ペア:

[(1, 213400866), (2, 106700433), (3, 71133622), (6, 35566811), (7, 30485838), (14, 15242919), (21, 10161946), (42, 5080973), (71, 3005646), (142, 1502823), (213, 1001882), (426, 500941), (497, 429378), (994, 214689), (1491, 143126), (2982, 71563)]