21540786

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{5303}}^1$

素因数の和:5985

約数の個数: 16

約数和(自身を含む): 43153344

約数和(自身を除く): 21612558

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 5303, 10606, 15909, 31818, 3590131, 7180262, 10770393, 21540786]

約数ペア:

[(1, 21540786), (2, 10770393), (3, 7180262), (6, 3590131), (677, 31818), (1354, 15909), (2031, 10606), (4062, 5303)]