21350514

素因数分解:

$2^1\times 3^1\times {\mathrm{509}}^1\times {\mathrm{6991}}^1$

素因数の和:7505

約数の個数: 16

約数和(自身を含む): 42791040

約数和(自身を除く): 21440526

約数列:

[1, 2, 3, 6, 509, 1018, 1527, 3054, 6991, 13982, 20973, 41946, 3558419, 7116838, 10675257, 21350514]

約数ペア:

[(1, 21350514), (2, 10675257), (3, 7116838), (6, 3558419), (509, 41946), (1018, 20973), (1527, 13982), (3054, 6991)]