21253548

素因数分解:

$2^2\times 3^1\times {\mathrm{839}}^1\times {\mathrm{2111}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 49674240

約数和(自身を除く): 28420692

約数列:

[1, 2, 3, 4, 6, 12, 839, 1678, 2111, 2517, 3356, 4222, 5034, 6333, 8444, 10068, 12666, 25332, 1771129, 3542258, 5313387, 7084516, 10626774, 21253548]

約数ペア:

[(1, 21253548), (2, 10626774), (3, 7084516), (4, 5313387), (6, 3542258), (12, 1771129), (839, 25332), (1678, 12666), (2111, 10068), (2517, 8444), (3356, 6333), (4222, 5034)]