21119703

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{797}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 31415664

約数和(自身を除く): 10295961

約数列:

[1, 3, 11, 33, 73, 121, 219, 363, 797, 803, 2391, 2409, 8767, 8833, 26301, 26499, 58181, 96437, 174543, 289311, 639991, 1919973, 7039901, 21119703]

約数ペア:

[(1, 21119703), (3, 7039901), (11, 1919973), (33, 639991), (73, 289311), (121, 174543), (219, 96437), (363, 58181), (797, 26499), (803, 26301), (2391, 8833), (2409, 8767)]