21827351

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1831}}^1$

素因数の和:1982

約数の個数: 16

約数和(自身を含む): 27084288

約数和(自身を除く): 5256937

約数列:

[1, 7, 13, 91, 131, 917, 1703, 1831, 11921, 12817, 23803, 166621, 239861, 1679027, 3118193, 21827351]

約数ペア:

[(1, 21827351), (7, 3118193), (13, 1679027), (91, 239861), (131, 166621), (917, 23803), (1703, 12817), (1831, 11921)]