21904862

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2693}}^1$

素因数の和:2792

約数の個数: 24

約数和(自身を含む): 38696616

約数和(自身を除く): 16791754

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2693, 4067, 5386, 8134, 18851, 37702, 131957, 223519, 263914, 447038, 1564633, 3129266, 10952431, 21904862]

約数ペア:

[(1, 21904862), (2, 10952431), (7, 3129266), (14, 1564633), (49, 447038), (83, 263914), (98, 223519), (166, 131957), (581, 37702), (1162, 18851), (2693, 8134), (4067, 5386)]