21310124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4993}}^1$

素因数の和:5105

約数の個数: 24

約数和(自身を含む): 41110608

約数和(自身を除く): 19800484

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4993, 9986, 19972, 54923, 109846, 219692, 484321, 968642, 1937284, 5327531, 10655062, 21310124]

約数ペア:

[(1, 21310124), (2, 10655062), (4, 5327531), (11, 1937284), (22, 968642), (44, 484321), (97, 219692), (194, 109846), (388, 54923), (1067, 19972), (2134, 9986), (4268, 4993)]