21028759212

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3554557}}^1$

素因数の和:3554610

約数の個数: 48

約数和(自身を含む): 53744916960

約数和(自身を除く): 32716157748

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 204, 348, 493, 986, 1479, 1972, 2958, 5916, 3554557, 7109114, 10663671, 14218228, 21327342, 42654684, 60427469, 103082153, 120854938, 181282407, 206164306, 241709876, 309246459, 362564814, 412328612, 618492918, 725129628, 1236985836, 1752396601, 3504793202, 5257189803, 7009586404, 10514379606, 21028759212]

約数ペア:

[(1, 21028759212), (2, 10514379606), (3, 7009586404), (4, 5257189803), (6, 3504793202), (12, 1752396601), (17, 1236985836), (29, 725129628), (34, 618492918), (51, 412328612), (58, 362564814), (68, 309246459), (87, 241709876), (102, 206164306), (116, 181282407), (174, 120854938), (204, 103082153), (348, 60427469), (493, 42654684), (986, 21327342), (1479, 14218228), (1972, 10663671), (2958, 7109114), (5916, 3554557)]