21447071504

素因数分解:

$2^4\times {\mathrm{80599}}^1\times {\mathrm{16631}}^1$

素因数の和:97238

約数の個数: 20

約数和(自身を含む): 41556715200

約数和(自身を除く): 20109643696

約数列:

[1, 2, 4, 8, 16, 16631, 33262, 66524, 80599, 133048, 161198, 266096, 322396, 644792, 1289584, 1340441969, 2680883938, 5361767876, 10723535752, 21447071504]

約数ペア:

[(1, 21447071504), (2, 10723535752), (4, 5361767876), (8, 2680883938), (16, 1340441969), (16631, 1289584), (33262, 644792), (66524, 322396), (80599, 266096), (133048, 161198)]