21098836210

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20484307}}^1$

素因数の和:20484417

約数の個数: 16

約数和(自身を含む): 38346624576

約数和(自身を除く): 17247788366

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 20484307, 40968614, 102421535, 204843070, 2109883621, 4219767242, 10549418105, 21098836210]

約数ペア:

[(1, 21098836210), (2, 10549418105), (5, 4219767242), (10, 2109883621), (103, 204843070), (206, 102421535), (515, 40968614), (1030, 20484307)]