21060963

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30391}}^1$

素因数の和:30415

約数の個数: 24

約数和(自身を含む): 37929216

約数和(自身を除く): 16868253

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30391, 91173, 212737, 273519, 334301, 638211, 1002903, 1914633, 2340107, 3008709, 7020321, 21060963]

約数ペア:

[(1, 21060963), (3, 7020321), (7, 3008709), (9, 2340107), (11, 1914633), (21, 1002903), (33, 638211), (63, 334301), (77, 273519), (99, 212737), (231, 91173), (693, 30391)]