21000401303

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1\times {\mathrm{55457}}^1$

素因数の和:56662

約数の個数: 16

約数和(自身を含む): 24532844544

約数和(自身を除く): 3532443241

約数列:

[1, 7, 47, 329, 1151, 8057, 54097, 55457, 378679, 388199, 2606479, 18245353, 63831007, 446817049, 3000057329, 21000401303]

約数ペア:

[(1, 21000401303), (7, 3000057329), (47, 446817049), (329, 63831007), (1151, 18245353), (8057, 2606479), (54097, 388199), (55457, 378679)]