21336111

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1747}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 32722560

約数和(自身を除く): 11386449

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 1747, 4071, 5241, 12213, 15723, 40181, 103073, 120543, 309219, 361629, 927657, 2370679, 7112037, 21336111]

約数ペア:

[(1, 21336111), (3, 7112037), (9, 2370679), (23, 927657), (59, 361629), (69, 309219), (177, 120543), (207, 103073), (531, 40181), (1357, 15723), (1747, 12213), (4071, 5241)]