21127694

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2347}}^1$

素因数の和:2999

約数の個数: 16

約数和(自身を含む): 36290688

約数和(自身を除く): 15162994

約数列:

[1, 2, 7, 14, 643, 1286, 2347, 4501, 4694, 9002, 16429, 32858, 1509121, 3018242, 10563847, 21127694]

約数ペア:

[(1, 21127694), (2, 10563847), (7, 3018242), (14, 1509121), (643, 32858), (1286, 16429), (2347, 9002), (4501, 4694)]