21357510010

素因数分解:

$2^1\times 5^1\times {\mathrm{941}}^1\times {\mathrm{2269661}}^1$

素因数の和:2270609

約数の個数: 16

約数和(自身を含む): 38484388872

約数和(自身を除く): 17126878862

約数列:

[1, 2, 5, 10, 941, 1882, 4705, 9410, 2269661, 4539322, 11348305, 22696610, 2135751001, 4271502002, 10678755005, 21357510010]

約数ペア:

[(1, 21357510010), (2, 10678755005), (5, 4271502002), (10, 2135751001), (941, 22696610), (1882, 11348305), (4705, 4539322), (9410, 2269661)]