21115924

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{419}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 16915916

約数列:

[1, 2, 4, 43, 86, 172, 293, 419, 586, 838, 1172, 1676, 12599, 18017, 25198, 36034, 50396, 72068, 122767, 245534, 491068, 5278981, 10557962, 21115924]

約数ペア:

[(1, 21115924), (2, 10557962), (4, 5278981), (43, 491068), (86, 245534), (172, 122767), (293, 72068), (419, 50396), (586, 36034), (838, 25198), (1172, 18017), (1676, 12599)]