21036078488

素因数分解:

$2^3\times {\mathrm{859}}^1\times {\mathrm{3061129}}^1$

素因数の和:3061994

約数の個数: 16

約数和(自身を含む): 39488577000

約数和(自身を除く): 18452498512

約数列:

[1, 2, 4, 8, 859, 1718, 3436, 6872, 3061129, 6122258, 12244516, 24489032, 2629509811, 5259019622, 10518039244, 21036078488]

約数ペア:

[(1, 21036078488), (2, 10518039244), (4, 5259019622), (8, 2629509811), (859, 24489032), (1718, 12244516), (3436, 6122258), (6872, 3061129)]