21000339410

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2106353}}^1$

素因数の和:2107357

約数の個数: 16

約数和(自身を含む): 37838543256

約数和(自身を除く): 16838203846

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 2106353, 4212706, 10531765, 21063530, 2100033941, 4200067882, 10500169705, 21000339410]

約数ペア:

[(1, 21000339410), (2, 10500169705), (5, 4200067882), (10, 2100033941), (997, 21063530), (1994, 10531765), (4985, 4212706), (9970, 2106353)]