21354934846

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2894407}}^1$

素因数の和:2894464

約数の個数: 32

約数和(自身を含む): 40012296192

約数和(自身を除く): 18657361346

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 3689, 7378, 2894407, 5788814, 20260849, 40521698, 49204919, 89726617, 98409838, 179453234, 344434433, 628086319, 688868866, 1256172638, 1525352489, 3050704978, 10677467423, 21354934846]

約数ペア:

[(1, 21354934846), (2, 10677467423), (7, 3050704978), (14, 1525352489), (17, 1256172638), (31, 688868866), (34, 628086319), (62, 344434433), (119, 179453234), (217, 98409838), (238, 89726617), (434, 49204919), (527, 40521698), (1054, 20260849), (3689, 5788814), (7378, 2894407)]