21750858

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63599}}^1$

素因数の和:63626

約数の個数: 24

約数和(自身を含む): 49608000

約数和(自身を除く): 27857142

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63599, 127198, 190797, 381594, 572391, 1144782, 1208381, 2416762, 3625143, 7250286, 10875429, 21750858]

約数ペア:

[(1, 21750858), (2, 10875429), (3, 7250286), (6, 3625143), (9, 2416762), (18, 1208381), (19, 1144782), (38, 572391), (57, 381594), (114, 190797), (171, 127198), (342, 63599)]