21276459

素因数分解:

$3^3\times {\mathrm{29}}^2\times {\mathrm{937}}^1$

素因数の和:1004

約数の個数: 24

約数和(自身を含む): 32679920

約数和(自身を除く): 11403461

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 841, 937, 2523, 2811, 7569, 8433, 22707, 25299, 27173, 81519, 244557, 733671, 788017, 2364051, 7092153, 21276459]

約数ペア:

[(1, 21276459), (3, 7092153), (9, 2364051), (27, 788017), (29, 733671), (87, 244557), (261, 81519), (783, 27173), (841, 25299), (937, 22707), (2523, 8433), (2811, 7569)]