21842109

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{7159}}^1$

素因数の和:7281

約数の個数: 16

約数和(自身を含む): 32649600

約数和(自身を除く): 10807491

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 7159, 21477, 64431, 193293, 808967, 2426901, 7280703, 21842109]

約数ペア:

[(1, 21842109), (3, 7280703), (9, 2426901), (27, 808967), (113, 193293), (339, 64431), (1017, 21477), (3051, 7159)]