21989124861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1704187}}^1$

素因数の和:1704241

約数の個数: 32

約数和(自身を含む): 35338042368

約数和(自身を除く): 13348917507

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 4301, 12903, 1704187, 5112561, 18746057, 28971179, 39196301, 56238171, 86913537, 117588903, 318682969, 431159311, 666337117, 956048907, 1293477933, 1999011351, 7329708287, 21989124861]

約数ペア:

[(1, 21989124861), (3, 7329708287), (11, 1999011351), (17, 1293477933), (23, 956048907), (33, 666337117), (51, 431159311), (69, 318682969), (187, 117588903), (253, 86913537), (391, 56238171), (561, 39196301), (759, 28971179), (1173, 18746057), (4301, 5112561), (12903, 1704187)]