21882519

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 33864480

約数和(自身を除く): 11981961

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1513, 1607, 4539, 4821, 13617, 14463, 27319, 81957, 143023, 245871, 429069, 1287207, 2431391, 7294173, 21882519]

約数ペア:

[(1, 21882519), (3, 7294173), (9, 2431391), (17, 1287207), (51, 429069), (89, 245871), (153, 143023), (267, 81957), (801, 27319), (1513, 14463), (1607, 13617), (4539, 4821)]