21851883

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{11399}}^1$

素因数の和:11479

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 10980117

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 11399, 34197, 102591, 307773, 809329, 2427987, 7283961, 21851883]

約数ペア:

[(1, 21851883), (3, 7283961), (9, 2427987), (27, 809329), (71, 307773), (213, 102591), (639, 34197), (1917, 11399)]