21104984

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{4987}}^1$

素因数の和:5039

約数の個数: 24

約数和(自身を含む): 41375460

約数和(自身を除く): 20270476

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 529, 1058, 2116, 4232, 4987, 9974, 19948, 39896, 114701, 229402, 458804, 917608, 2638123, 5276246, 10552492, 21104984]

約数ペア:

[(1, 21104984), (2, 10552492), (4, 5276246), (8, 2638123), (23, 917608), (46, 458804), (92, 229402), (184, 114701), (529, 39896), (1058, 19948), (2116, 9974), (4232, 4987)]