21499522

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1314

約数の個数: 24

約数和(自身を含む): 35962668

約数和(自身を除く): 14463146

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 803, 1217, 1606, 2434, 8833, 13387, 17666, 26774, 88841, 147257, 177682, 294514, 977251, 1954502, 10749761, 21499522]

約数ペア:

[(1, 21499522), (2, 10749761), (11, 1954502), (22, 977251), (73, 294514), (121, 177682), (146, 147257), (242, 88841), (803, 26774), (1217, 17666), (1606, 13387), (2434, 8833)]