21049527

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2003}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 29242368

約数和(自身を除く): 8192841

約数列:

[1, 3, 31, 93, 113, 339, 2003, 3503, 6009, 10509, 62093, 186279, 226339, 679017, 7016509, 21049527]

約数ペア:

[(1, 21049527), (3, 7016509), (31, 679017), (93, 226339), (113, 186279), (339, 62093), (2003, 10509), (3503, 6009)]