21096304

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32159}}^1$

素因数の和:32208

約数の個数: 20

約数和(自身を含む): 41872320

約数和(自身を除く): 20776016

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32159, 64318, 128636, 257272, 514544, 1318519, 2637038, 5274076, 10548152, 21096304]

約数ペア:

[(1, 21096304), (2, 10548152), (4, 5274076), (8, 2637038), (16, 1318519), (41, 514544), (82, 257272), (164, 128636), (328, 64318), (656, 32159)]