21096016

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8849}}^1$

素因数の和:9006

約数の個数: 20

約数和(自身を含む): 41152500

約数和(自身を除く): 20056484

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8849, 17698, 35396, 70792, 141584, 1318501, 2637002, 5274004, 10548008, 21096016]

約数ペア:

[(1, 21096016), (2, 10548008), (4, 5274004), (8, 2637002), (16, 1318501), (149, 141584), (298, 70792), (596, 35396), (1192, 17698), (2384, 8849)]