2021078983

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{15287}}^1$

素因数の和:15423

約数の個数: 32

約数和(自身を含む): 2694601728

約数和(自身を除く): 673522745

約数列:

[1, 7, 11, 17, 77, 101, 119, 187, 707, 1111, 1309, 1717, 7777, 12019, 15287, 18887, 107009, 132209, 168157, 259879, 1177099, 1543987, 1819153, 2858669, 10807909, 16983857, 20010683, 26247779, 118886999, 183734453, 288725569, 2021078983]

約数ペア:

[(1, 2021078983), (7, 288725569), (11, 183734453), (17, 118886999), (77, 26247779), (101, 20010683), (119, 16983857), (187, 10807909), (707, 2858669), (1111, 1819153), (1309, 1543987), (1717, 1177099), (7777, 259879), (12019, 168157), (15287, 132209), (18887, 107009)]