20210909667

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4080539}}^1$

素因数の和:4080682

約数の個数: 16

約数和(自身を含む): 29249310720

約数和(自身を除く): 9038401053

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4953, 4080539, 12241617, 53047007, 159141021, 518228453, 1554685359, 6736969889, 20210909667]

約数ペア:

[(1, 20210909667), (3, 6736969889), (13, 1554685359), (39, 518228453), (127, 159141021), (381, 53047007), (1651, 12241617), (4953, 4080539)]