21489756

素因数分解:

$2^2\times 3^1\times {\mathrm{281}}^1\times {\mathrm{6373}}^1$

素因数の和:6661

約数の個数: 24

約数和(自身を含む): 50329104

約数和(自身を除く): 28839348

約数列:

[1, 2, 3, 4, 6, 12, 281, 562, 843, 1124, 1686, 3372, 6373, 12746, 19119, 25492, 38238, 76476, 1790813, 3581626, 5372439, 7163252, 10744878, 21489756]

約数ペア:

[(1, 21489756), (2, 10744878), (3, 7163252), (4, 5372439), (6, 3581626), (12, 1790813), (281, 76476), (562, 38238), (843, 25492), (1124, 19119), (1686, 12746), (3372, 6373)]