21205914

素因数分解:

$2^1\times 3^1\times {\mathrm{1871}}^1\times {\mathrm{1889}}^1$

素因数の和:3765

約数の個数: 16

約数和(自身を含む): 42456960

約数和(自身を除く): 21251046

約数列:

[1, 2, 3, 6, 1871, 1889, 3742, 3778, 5613, 5667, 11226, 11334, 3534319, 7068638, 10602957, 21205914]

約数ペア:

[(1, 21205914), (2, 10602957), (3, 7068638), (6, 3534319), (1871, 11334), (1889, 11226), (3742, 5667), (3778, 5613)]