21571312

素因数分解:

$2^4\times 7^1\times {\mathrm{192601}}^1$

素因数の和:192616

約数の個数: 20

約数和(自身を含む): 47765296

約数和(自身を除く): 26193984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192601, 385202, 770404, 1348207, 1540808, 2696414, 3081616, 5392828, 10785656, 21571312]

約数ペア:

[(1, 21571312), (2, 10785656), (4, 5392828), (7, 3081616), (8, 2696414), (14, 1540808), (16, 1348207), (28, 770404), (56, 385202), (112, 192601)]