21272999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 24744960

約数和(自身を除く): 3471961

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1789, 11891, 19679, 41147, 84083, 452617, 924913, 1933909, 21272999]

約数ペア:

[(1, 21272999), (11, 1933909), (23, 924913), (47, 452617), (253, 84083), (517, 41147), (1081, 19679), (1789, 11891)]