21495826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20789}}^1$

素因数の和:20849

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 14429294

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20789, 41578, 228679, 457358, 977083, 1954166, 10747913, 21495826]

約数ペア:

[(1, 21495826), (2, 10747913), (11, 1954166), (22, 977083), (47, 457358), (94, 228679), (517, 41578), (1034, 20789)]