21985114

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3967}}^1$

素因数の和:4149

約数の個数: 16

約数和(自身を含む): 35140608

約数和(自身を除く): 13155494

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3967, 5542, 7934, 67439, 134878, 646621, 1293242, 10992557, 21985114]

約数ペア:

[(1, 21985114), (2, 10992557), (17, 1293242), (34, 646621), (163, 134878), (326, 67439), (2771, 7934), (3967, 5542)]