21043669419

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1217171}}^1$

素因数の和:1217307

約数の個数: 24

約数和(自身を含む): 32469280272

約数和(自身を除く): 11425610853

約数列:

[1, 3, 9, 17, 51, 113, 153, 339, 1017, 1921, 5763, 17289, 1217171, 3651513, 10954539, 20691907, 62075721, 137540323, 186227163, 412620969, 1237862907, 2338185491, 7014556473, 21043669419]

約数ペア:

[(1, 21043669419), (3, 7014556473), (9, 2338185491), (17, 1237862907), (51, 412620969), (113, 186227163), (153, 137540323), (339, 62075721), (1017, 20691907), (1921, 10954539), (5763, 3651513), (17289, 1217171)]