21218754

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{751}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 45156096

約数和(自身を除く): 23937342

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 277, 554, 751, 831, 1502, 1662, 2253, 4506, 4709, 9418, 12767, 14127, 25534, 28254, 38301, 76602, 208027, 416054, 624081, 1248162, 3536459, 7072918, 10609377, 21218754]

約数ペア:

[(1, 21218754), (2, 10609377), (3, 7072918), (6, 3536459), (17, 1248162), (34, 624081), (51, 416054), (102, 208027), (277, 76602), (554, 38301), (751, 28254), (831, 25534), (1502, 14127), (1662, 12767), (2253, 9418), (4506, 4709)]