21173097

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15649}}^1$

素因数の和:15704

約数の個数: 16

約数和(自身を含む): 31550400

約数和(自身を除く): 10377303

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15649, 46947, 172139, 516417, 641609, 1924827, 7057699, 21173097]

約数ペア:

[(1, 21173097), (3, 7057699), (11, 1924827), (33, 641609), (41, 516417), (123, 172139), (451, 46947), (1353, 15649)]