21022782

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 27240258

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 138, 242, 253, 363, 506, 726, 759, 1259, 1518, 2518, 2783, 3777, 5566, 7554, 8349, 13849, 16698, 27698, 28957, 41547, 57914, 83094, 86871, 152339, 173742, 304678, 318527, 457017, 637054, 914034, 955581, 1911162, 3503797, 7007594, 10511391, 21022782]

約数ペア:

[(1, 21022782), (2, 10511391), (3, 7007594), (6, 3503797), (11, 1911162), (22, 955581), (23, 914034), (33, 637054), (46, 457017), (66, 318527), (69, 304678), (121, 173742), (138, 152339), (242, 86871), (253, 83094), (363, 57914), (506, 41547), (726, 28957), (759, 27698), (1259, 16698), (1518, 13849), (2518, 8349), (2783, 7554), (3777, 5566)]