21009626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41521}}^1$

素因数の和:41557

約数の個数: 16

約数和(自身を含む): 35875008

約数和(自身を除く): 14865382

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41521, 83042, 456731, 913462, 954983, 1909966, 10504813, 21009626]

約数ペア:

[(1, 21009626), (2, 10504813), (11, 1909966), (22, 954983), (23, 913462), (46, 456731), (253, 83042), (506, 41521)]