2107105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 3403008

約数和(自身を除く): 1295903

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 421, 455, 715, 1001, 2105, 2947, 4631, 5005, 5473, 14735, 23155, 27365, 32417, 38311, 60203, 162085, 191555, 301015, 421421, 2107105]

約数ペア:

[(1, 2107105), (5, 421421), (7, 301015), (11, 191555), (13, 162085), (35, 60203), (55, 38311), (65, 32417), (77, 27365), (91, 23155), (143, 14735), (385, 5473), (421, 5005), (455, 4631), (715, 2947), (1001, 2105)]