21603956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16931}}^1$

素因数の和:16975

約数の個数: 24

約数和(自身を含む): 42668640

約数和(自身を除く): 21064684

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16931, 33862, 67724, 186241, 372482, 490999, 744964, 981998, 1963996, 5400989, 10801978, 21603956]

約数ペア:

[(1, 21603956), (2, 10801978), (4, 5400989), (11, 1963996), (22, 981998), (29, 744964), (44, 490999), (58, 372482), (116, 186241), (319, 67724), (638, 33862), (1276, 16931)]