21647692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21391}}^1$

素因数の和:21429

約数の個数: 24

約数和(自身を含む): 43126272

約数和(自身を除く): 21478580

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21391, 42782, 85564, 235301, 470602, 491993, 941204, 983986, 1967972, 5411923, 10823846, 21647692]

約数ペア:

[(1, 21647692), (2, 10823846), (4, 5411923), (11, 1967972), (22, 983986), (23, 941204), (44, 491993), (46, 470602), (92, 235301), (253, 85564), (506, 42782), (1012, 21391)]