2021161065

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{249989}}^1$

素因数の和:250022

約数の個数: 48

約数和(自身を含む): 4103835840

約数和(自身を除く): 2082674775

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 249989, 749967, 1249945, 1749923, 2749879, 3749835, 5249769, 8249637, 8749615, 12249461, 13749395, 19249153, 26248845, 36748383, 41248185, 57747459, 61247305, 96245765, 134744071, 183741915, 288737295, 404232213, 673720355, 2021161065]

約数ペア:

[(1, 2021161065), (3, 673720355), (5, 404232213), (7, 288737295), (11, 183741915), (15, 134744071), (21, 96245765), (33, 61247305), (35, 57747459), (49, 41248185), (55, 36748383), (77, 26248845), (105, 19249153), (147, 13749395), (165, 12249461), (231, 8749615), (245, 8249637), (385, 5249769), (539, 3749835), (735, 2749879), (1155, 1749923), (1617, 1249945), (2695, 749967), (8085, 249989)]