21996254

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{38321}}^1$

素因数の和:38371

約数の個数: 16

約数和(自身を含む): 38628576

約数和(自身を除く): 16632322

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 38321, 76642, 268247, 536494, 1571161, 3142322, 10998127, 21996254]

約数ペア:

[(1, 21996254), (2, 10998127), (7, 3142322), (14, 1571161), (41, 536494), (82, 268247), (287, 76642), (574, 38321)]