21038816

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4799}}^1$

素因数の和:4946

約数の個数: 24

約数和(自身を含む): 41731200

約数和(自身を除く): 20692384

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4799, 9598, 19196, 38392, 76784, 153568, 657463, 1314926, 2629852, 5259704, 10519408, 21038816]

約数ペア:

[(1, 21038816), (2, 10519408), (4, 5259704), (8, 2629852), (16, 1314926), (32, 657463), (137, 153568), (274, 76784), (548, 38392), (1096, 19196), (2192, 9598), (4384, 4799)]