21010544

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4993}}^1$

素因数の和:5264

約数の個数: 20

約数和(自身を含む): 40870896

約数和(自身を除く): 19860352

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4993, 9986, 19972, 39944, 79888, 1313159, 2626318, 5252636, 10505272, 21010544]

約数ペア:

[(1, 21010544), (2, 10505272), (4, 5252636), (8, 2626318), (16, 1313159), (263, 79888), (526, 39944), (1052, 19972), (2104, 9986), (4208, 4993)]