21361527

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1699}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 33945600

約数和(自身を除く): 12584073

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1143, 1397, 1699, 4191, 5097, 12573, 15291, 18689, 56067, 168201, 215773, 647319, 1941957, 2373503, 7120509, 21361527]

約数ペア:

[(1, 21361527), (3, 7120509), (9, 2373503), (11, 1941957), (33, 647319), (99, 215773), (127, 168201), (381, 56067), (1143, 18689), (1397, 15291), (1699, 12573), (4191, 5097)]