21042999

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 32273280

約数和(自身を除く): 11230281

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 1723, 4071, 5169, 12213, 15507, 39629, 101657, 118887, 304971, 356661, 914913, 2338111, 7014333, 21042999]

約数ペア:

[(1, 21042999), (3, 7014333), (9, 2338111), (23, 914913), (59, 356661), (69, 304971), (177, 118887), (207, 101657), (531, 39629), (1357, 15507), (1723, 12213), (4071, 5169)]