21134328

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20479}}^1$

素因数の和:20531

約数の個数: 32

約数和(自身を含む): 54067200

約数和(自身を除く): 32932872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20479, 40958, 61437, 81916, 122874, 163832, 245748, 491496, 880597, 1761194, 2641791, 3522388, 5283582, 7044776, 10567164, 21134328]

約数ペア:

[(1, 21134328), (2, 10567164), (3, 7044776), (4, 5283582), (6, 3522388), (8, 2641791), (12, 1761194), (24, 880597), (43, 491496), (86, 245748), (129, 163832), (172, 122874), (258, 81916), (344, 61437), (516, 40958), (1032, 20479)]