21605316

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{4297}}^1$

素因数の和:4723

約数の個数: 24

約数和(自身を含む): 50544480

約数和(自身を除く): 28939164

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 4297, 5028, 8594, 12891, 17188, 25782, 51564, 1800443, 3600886, 5401329, 7201772, 10802658, 21605316]

約数ペア:

[(1, 21605316), (2, 10802658), (3, 7201772), (4, 5401329), (6, 3600886), (12, 1800443), (419, 51564), (838, 25782), (1257, 17188), (1676, 12891), (2514, 8594), (4297, 5028)]