21717693

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{11329}}^1$

素因数の和:11409

約数の個数: 16

約数和(自身を含む): 32630400

約数和(自身を除く): 10912707

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 11329, 33987, 101961, 305883, 804359, 2413077, 7239231, 21717693]

約数ペア:

[(1, 21717693), (3, 7239231), (9, 2413077), (27, 804359), (71, 305883), (213, 101961), (639, 33987), (1917, 11329)]