21293794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2447}}^1$

素因数の和:2697

約数の個数: 16

約数和(自身を含む): 33782400

約数和(自身を除く): 12488606

約数列:

[1, 2, 19, 38, 229, 458, 2447, 4351, 4894, 8702, 46493, 92986, 560363, 1120726, 10646897, 21293794]

約数ペア:

[(1, 21293794), (2, 10646897), (19, 1120726), (38, 560363), (229, 92986), (458, 46493), (2447, 8702), (4351, 4894)]