21059970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4649}}^1$

素因数の和:4810

約数の個数: 32

約数和(自身を含む): 50889600

約数和(自身を除く): 29829630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4649, 9298, 13947, 23245, 27894, 46490, 69735, 139470, 701999, 1403998, 2105997, 3509995, 4211994, 7019990, 10529985, 21059970]

約数ペア:

[(1, 21059970), (2, 10529985), (3, 7019990), (5, 4211994), (6, 3509995), (10, 2105997), (15, 1403998), (30, 701999), (151, 139470), (302, 69735), (453, 46490), (755, 27894), (906, 23245), (1510, 13947), (2265, 9298), (4530, 4649)]