21855178

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1399}}^1$

素因数の和:1581

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 11711222

約数列:

[1, 2, 73, 107, 146, 214, 1399, 2798, 7811, 15622, 102127, 149693, 204254, 299386, 10927589, 21855178]

約数ペア:

[(1, 21855178), (2, 10927589), (73, 299386), (107, 204254), (146, 149693), (214, 102127), (1399, 15622), (2798, 7811)]