21276004

素因数分解:

$2^2\times {\mathrm{613}}^1\times {\mathrm{8677}}^1$

素因数の和:9294

約数の個数: 12

約数和(自身を含む): 37298044

約数和(自身を除く): 16022040

約数列:

[1, 2, 4, 613, 1226, 2452, 8677, 17354, 34708, 5319001, 10638002, 21276004]

約数ペア:

[(1, 21276004), (2, 10638002), (4, 5319001), (613, 34708), (1226, 17354), (2452, 8677)]