21451551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34213}}^1$

素因数の和:34246

約数の個数: 16

約数和(自身を含む): 32845440

約数和(自身を除く): 11393889

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34213, 102639, 376343, 650047, 1129029, 1950141, 7150517, 21451551]

約数ペア:

[(1, 21451551), (3, 7150517), (11, 1950141), (19, 1129029), (33, 650047), (57, 376343), (209, 102639), (627, 34213)]