21909202

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{68041}}^1$

素因数の和:68073

約数の個数: 16

約数和(自身を含む): 39192192

約数和(自身を除く): 17282990

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 68041, 136082, 476287, 952574, 1564943, 3129886, 10954601, 21909202]

約数ペア:

[(1, 21909202), (2, 10954601), (7, 3129886), (14, 1564943), (23, 952574), (46, 476287), (161, 136082), (322, 68041)]