2021067867

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{55663}}^1$

素因数の和:55712

約数の個数: 48

約数和(自身を含む): 3553589760

約数和(自身を除く): 1532521893

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 931, 1729, 1911, 2793, 5187, 12103, 36309, 55663, 166989, 389641, 723619, 1057597, 1168923, 2170857, 2727487, 3172791, 5065333, 7403179, 8182461, 13748761, 15195999, 22209537, 35457331, 41246283, 51822253, 96241327, 106371993, 155466759, 288723981, 673689289, 2021067867]

約数ペア:

[(1, 2021067867), (3, 673689289), (7, 288723981), (13, 155466759), (19, 106371993), (21, 96241327), (39, 51822253), (49, 41246283), (57, 35457331), (91, 22209537), (133, 15195999), (147, 13748761), (247, 8182461), (273, 7403179), (399, 5065333), (637, 3172791), (741, 2727487), (931, 2170857), (1729, 1168923), (1911, 1057597), (2793, 723619), (5187, 389641), (12103, 166989), (36309, 55663)]