21689426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4421}}^1$

素因数の和:4657

約数の個数: 16

約数和(自身を含む): 35659008

約数和(自身を除く): 13969582

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4421, 4906, 8842, 48631, 97262, 985883, 1971766, 10844713, 21689426]

約数ペア:

[(1, 21689426), (2, 10844713), (11, 1971766), (22, 985883), (223, 97262), (446, 48631), (2453, 8842), (4421, 4906)]