21339354

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23450406

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 239, 478, 647, 717, 1294, 1434, 1941, 3882, 5497, 10994, 14881, 16491, 29762, 32982, 44643, 89286, 154633, 309266, 463899, 927798, 3556559, 7113118, 10669677, 21339354]

約数ペア:

[(1, 21339354), (2, 10669677), (3, 7113118), (6, 3556559), (23, 927798), (46, 463899), (69, 309266), (138, 154633), (239, 89286), (478, 44643), (647, 32982), (717, 29762), (1294, 16491), (1434, 14881), (1941, 10994), (3882, 5497)]