21931858678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{9085277}}^1$

素因数の和:9085367

約数の個数: 16

約数和(自身を含む): 35323560864

約数和(自身を除く): 13391702186

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 9085277, 18170554, 154449709, 308899418, 645054667, 1290109334, 10965929339, 21931858678]

約数ペア:

[(1, 21931858678), (2, 10965929339), (17, 1290109334), (34, 645054667), (71, 308899418), (142, 154449709), (1207, 18170554), (2414, 9085277)]