21654339

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13182141

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 419, 483, 749, 1257, 2247, 2461, 2933, 7383, 8799, 9637, 17227, 28911, 44833, 51681, 67459, 134499, 202377, 313831, 941493, 1031159, 3093477, 7218113, 21654339]

約数ペア:

[(1, 21654339), (3, 7218113), (7, 3093477), (21, 1031159), (23, 941493), (69, 313831), (107, 202377), (161, 134499), (321, 67459), (419, 51681), (483, 44833), (749, 28911), (1257, 17227), (2247, 9637), (2461, 8799), (2933, 7383)]