21484694

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139511}}^1$

素因数の和:139531

約数の個数: 16

約数和(自身を含む): 40179456

約数和(自身を除く): 18694762

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 139511, 279022, 976577, 1534621, 1953154, 3069242, 10742347, 21484694]

約数ペア:

[(1, 21484694), (2, 10742347), (7, 3069242), (11, 1953154), (14, 1534621), (22, 976577), (77, 279022), (154, 139511)]