21077883057

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{666031}}^1$

素因数の和:666189

約数の個数: 32

約数和(自身を含む): 35294367744

約数和(自身を除く): 14216484687

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4521, 10549, 31647, 666031, 1998093, 4662217, 7326341, 13986651, 21979023, 51284387, 91246247, 153853161, 273738741, 638723729, 1003708717, 1916171187, 3011126151, 7025961019, 21077883057]

約数ペア:

[(1, 21077883057), (3, 7025961019), (7, 3011126151), (11, 1916171187), (21, 1003708717), (33, 638723729), (77, 273738741), (137, 153853161), (231, 91246247), (411, 51284387), (959, 21979023), (1507, 13986651), (2877, 7326341), (4521, 4662217), (10549, 1998093), (31647, 666031)]