21134961

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 32651424

約数和(自身を除く): 11516463

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1291, 1819, 3873, 5457, 11619, 16371, 21947, 65841, 138137, 197523, 414411, 1243233, 2348329, 7044987, 21134961]

約数ペア:

[(1, 21134961), (3, 7044987), (9, 2348329), (17, 1243233), (51, 414411), (107, 197523), (153, 138137), (321, 65841), (963, 21947), (1291, 16371), (1819, 11619), (3873, 5457)]