21567112

素因数分解:

$2^3\times 7^1\times {\mathrm{385127}}^1$

素因数の和:385140

約数の個数: 16

約数和(自身を含む): 46215360

約数和(自身を除く): 24648248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 385127, 770254, 1540508, 2695889, 3081016, 5391778, 10783556, 21567112]

約数ペア:

[(1, 21567112), (2, 10783556), (4, 5391778), (7, 3081016), (8, 2695889), (14, 1540508), (28, 770254), (56, 385127)]