21054644065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1\times {\mathrm{44537}}^1$

素因数の和:45601

約数の個数: 32

約数和(自身を含む): 31126717440

約数和(自身を除く): 10072073375

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1039, 5195, 7273, 13507, 36365, 44537, 67535, 94549, 222685, 311759, 472745, 578981, 1558795, 2894905, 4052867, 20264335, 46273943, 231369715, 323917601, 601561259, 1619588005, 3007806295, 4210928813, 21054644065]

約数ペア:

[(1, 21054644065), (5, 4210928813), (7, 3007806295), (13, 1619588005), (35, 601561259), (65, 323917601), (91, 231369715), (455, 46273943), (1039, 20264335), (5195, 4052867), (7273, 2894905), (13507, 1558795), (36365, 578981), (44537, 472745), (67535, 311759), (94549, 222685)]