21904418879

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{2357}}^1\times {\mathrm{32381}}^1$

素因数の和:34786

約数の個数: 16

約数和(自身を含む): 25655870016

約数和(自身を除く): 3751451137

約数列:

[1, 7, 41, 287, 2357, 16499, 32381, 96637, 226667, 676459, 1327621, 9293347, 76322017, 534254119, 3129202697, 21904418879]

約数ペア:

[(1, 21904418879), (7, 3129202697), (41, 534254119), (287, 76322017), (2357, 9293347), (16499, 1327621), (32381, 676459), (96637, 226667)]