21081781787

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1\times {\mathrm{2143}}^1$

素因数の和:3899

約数の個数: 32

約数和(自身を含む): 25163218944

約数和(自身を除く): 4081437157

約数列:

[1, 11, 17, 31, 187, 341, 527, 1697, 2143, 5797, 18667, 23573, 28849, 36431, 52607, 66433, 317339, 400741, 578677, 730763, 894319, 1129361, 3636671, 9837509, 12422971, 40003381, 61823407, 112736801, 680057477, 1240104811, 1916525617, 21081781787]

約数ペア:

[(1, 21081781787), (11, 1916525617), (17, 1240104811), (31, 680057477), (187, 112736801), (341, 61823407), (527, 40003381), (1697, 12422971), (2143, 9837509), (5797, 3636671), (18667, 1129361), (23573, 894319), (28849, 730763), (36431, 578677), (52607, 400741), (66433, 317339)]