21260907

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{6011}}^1$

素因数の和:6151

約数の個数: 16

約数和(自身を含む): 31743360

約数和(自身を除く): 10482453

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 6011, 18033, 54099, 162297, 787441, 2362323, 7086969, 21260907]

約数ペア:

[(1, 21260907), (3, 7086969), (9, 2362323), (27, 787441), (131, 162297), (393, 54099), (1179, 18033), (3537, 6011)]