21688602

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2678

約数の個数: 32

約数和(自身を含む): 47160960

約数和(自身を除く): 25472358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2551, 2834, 4251, 5102, 7653, 8502, 15306, 33163, 66326, 99489, 198978, 278059, 556118, 834177, 1668354, 3614767, 7229534, 10844301, 21688602]

約数ペア:

[(1, 21688602), (2, 10844301), (3, 7229534), (6, 3614767), (13, 1668354), (26, 834177), (39, 556118), (78, 278059), (109, 198978), (218, 99489), (327, 66326), (654, 33163), (1417, 15306), (2551, 8502), (2834, 7653), (4251, 5102)]