21854973

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10729}}^1$

素因数の和:10836

約数の個数: 16

約数和(自身を含む): 33649280

約数和(自身を除く): 11794307

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 10729, 32187, 75103, 225309, 1040713, 3122139, 7284991, 21854973]

約数ペア:

[(1, 21854973), (3, 7284991), (7, 3122139), (21, 1040713), (97, 225309), (291, 75103), (679, 32187), (2037, 10729)]