21871666

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2917}}^1$

素因数の和:3105

約数の個数: 16

約数和(自身を含む): 34455744

約数和(自身を除く): 12584078

約数列:

[1, 2, 23, 46, 163, 326, 2917, 3749, 5834, 7498, 67091, 134182, 475471, 950942, 10935833, 21871666]

約数ペア:

[(1, 21871666), (2, 10935833), (23, 950942), (46, 475471), (163, 134182), (326, 67091), (2917, 7498), (3749, 5834)]