21564896

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4919}}^1$

素因数の和:5066

約数の個数: 24

約数和(自身を含む): 42774480

約数和(自身を除く): 21209584

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4919, 9838, 19676, 39352, 78704, 157408, 673903, 1347806, 2695612, 5391224, 10782448, 21564896]

約数ペア:

[(1, 21564896), (2, 10782448), (4, 5391224), (8, 2695612), (16, 1347806), (32, 673903), (137, 157408), (274, 78704), (548, 39352), (1096, 19676), (2192, 9838), (4384, 4919)]