21094872016

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9623573}}^1$

素因数の和:9623718

約数の個数: 20

約数和(自身を含む): 41169649572

約数和(自身を除く): 20074777556

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9623573, 19247146, 38494292, 76988584, 153977168, 1318429501, 2636859002, 5273718004, 10547436008, 21094872016]

約数ペア:

[(1, 21094872016), (2, 10547436008), (4, 5273718004), (8, 2636859002), (16, 1318429501), (137, 153977168), (274, 76988584), (548, 38494292), (1096, 19247146), (2192, 9623573)]