21980792

素因数分解:

$2^3\times {\mathrm{1153}}^1\times {\mathrm{2383}}^1$

素因数の和:3542

約数の個数: 16

約数和(自身を含む): 41267040

約数和(自身を除く): 19286248

約数列:

[1, 2, 4, 8, 1153, 2306, 2383, 4612, 4766, 9224, 9532, 19064, 2747599, 5495198, 10990396, 21980792]

約数ペア:

[(1, 21980792), (2, 10990396), (4, 5495198), (8, 2747599), (1153, 19064), (2306, 9532), (2383, 9224), (4612, 4766)]