21554907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1019}}^1$

素因数の和:1674

約数の個数: 16

約数和(自身を含む): 31432320

約数和(自身を除く): 9877413

約数列:

[1, 3, 11, 33, 641, 1019, 1923, 3057, 7051, 11209, 21153, 33627, 653179, 1959537, 7184969, 21554907]

約数ペア:

[(1, 21554907), (3, 7184969), (11, 1959537), (33, 653179), (641, 33627), (1019, 21153), (1923, 11209), (3057, 7051)]