21752272

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{2063}}^1$

素因数の和:2730

約数の個数: 20

約数和(自身を含む): 42229440

約数和(自身を除く): 20477168

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2063, 2636, 4126, 5272, 8252, 10544, 16504, 33008, 1359517, 2719034, 5438068, 10876136, 21752272]

約数ペア:

[(1, 21752272), (2, 10876136), (4, 5438068), (8, 2719034), (16, 1359517), (659, 33008), (1318, 16504), (2063, 10544), (2636, 8252), (4126, 5272)]