21554906109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3775601}}^1$

素因数の和:3775788

約数の個数: 16

約数和(自身を含む): 31533827904

約数和(自身を除く): 9978921795

約数列:

[1, 3, 11, 33, 173, 519, 1903, 5709, 3775601, 11326803, 41531611, 124594833, 653178973, 1959536919, 7184968703, 21554906109]

約数ペア:

[(1, 21554906109), (3, 7184968703), (11, 1959536919), (33, 653178973), (173, 124594833), (519, 41531611), (1903, 11326803), (5709, 3775601)]