21486351

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{701}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 30427488

約数和(自身を除く): 8941137

約数列:

[1, 3, 17, 51, 601, 701, 1803, 2103, 10217, 11917, 30651, 35751, 421301, 1263903, 7162117, 21486351]

約数ペア:

[(1, 21486351), (3, 7162117), (17, 1263903), (51, 421301), (601, 35751), (701, 30651), (1803, 11917), (2103, 10217)]