21167369691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28565951}}^1$

素因数の和:28565986

約数の個数: 16

約数和(自身を含む): 31993866240

約数和(自身を除く): 10826496549

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 28565951, 85697853, 371357363, 542753069, 1114072089, 1628259207, 7055789897, 21167369691]

約数ペア:

[(1, 21167369691), (3, 7055789897), (13, 1628259207), (19, 1114072089), (39, 542753069), (57, 371357363), (247, 85697853), (741, 28565951)]