21874887

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{11411}}^1$

素因数の和:11491

約数の個数: 16

約数和(自身を含む): 32866560

約数和(自身を除く): 10991673

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 11411, 34233, 102699, 308097, 810181, 2430543, 7291629, 21874887]

約数ペア:

[(1, 21874887), (3, 7291629), (9, 2430543), (27, 810181), (71, 308097), (213, 102699), (639, 34233), (1917, 11411)]