21246484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39937}}^1$

素因数の和:39967

約数の個数: 24

約数和(自身を含む): 44730560

約数和(自身を除く): 23484076

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39937, 79874, 159748, 279559, 559118, 758803, 1118236, 1517606, 3035212, 5311621, 10623242, 21246484]

約数ペア:

[(1, 21246484), (2, 10623242), (4, 5311621), (7, 3035212), (14, 1517606), (19, 1118236), (28, 758803), (38, 559118), (76, 279559), (133, 159748), (266, 79874), (532, 39937)]