21048874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1327}}^1$

素因数の和:1450

約数の個数: 32

約数和(自身を含む): 39776256

約数和(自身を除く): 18727382

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 206, 721, 1133, 1327, 1442, 2266, 2654, 7931, 9289, 14597, 15862, 18578, 29194, 102179, 136681, 204358, 273362, 956767, 1503491, 1913534, 3006982, 10524437, 21048874]

約数ペア:

[(1, 21048874), (2, 10524437), (7, 3006982), (11, 1913534), (14, 1503491), (22, 956767), (77, 273362), (103, 204358), (154, 136681), (206, 102179), (721, 29194), (1133, 18578), (1327, 15862), (1442, 14597), (2266, 9289), (2654, 7931)]