21979076

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{34129}}^1$

素因数の和:34163

約数の個数: 24

約数和(自身を含む): 45870720

約数和(自身を除く): 23891644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 34129, 68258, 136516, 238903, 477806, 784967, 955612, 1569934, 3139868, 5494769, 10989538, 21979076]

約数ペア:

[(1, 21979076), (2, 10989538), (4, 5494769), (7, 3139868), (14, 1569934), (23, 955612), (28, 784967), (46, 477806), (92, 238903), (161, 136516), (322, 68258), (644, 34129)]