21088838

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{4451}}^1$

素因数の和:4579

約数の個数: 16

約数和(自身を含む): 33336576

約数和(自身を除く): 12247738

約数列:

[1, 2, 23, 46, 103, 206, 2369, 4451, 4738, 8902, 102373, 204746, 458453, 916906, 10544419, 21088838]

約数ペア:

[(1, 21088838), (2, 10544419), (23, 916906), (46, 458453), (103, 204746), (206, 102373), (2369, 8902), (4451, 4738)]