21893463

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{27961}}^1$

素因数の和:27999

約数の個数: 16

約数和(自身を含む): 33554400

約数和(自身を除く): 11660937

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 27961, 83883, 251649, 754947, 810869, 2432607, 7297821, 21893463]

約数ペア:

[(1, 21893463), (3, 7297821), (9, 2432607), (27, 810869), (29, 754947), (87, 251649), (261, 83883), (783, 27961)]