21600887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12197}}^1$

素因数の和:12238

約数の個数: 16

約数和(自身を含む): 28104192

約数和(自身を除く): 6503305

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12197, 85379, 134167, 280531, 939169, 1963717, 3085841, 21600887]

約数ペア:

[(1, 21600887), (7, 3085841), (11, 1963717), (23, 939169), (77, 280531), (161, 134167), (253, 85379), (1771, 12197)]