21402604

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3943}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 39755520

約数和(自身を除く): 18352916

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 236, 1357, 2714, 3943, 5428, 7886, 15772, 90689, 181378, 232637, 362756, 465274, 930548, 5350651, 10701302, 21402604]

約数ペア:

[(1, 21402604), (2, 10701302), (4, 5350651), (23, 930548), (46, 465274), (59, 362756), (92, 232637), (118, 181378), (236, 90689), (1357, 15772), (2714, 7886), (3943, 5428)]