21745288

素因数分解:

$2^3\times {\mathrm{293}}^1\times {\mathrm{9277}}^1$

素因数の和:9576

約数の個数: 16

約数和(自身を含む): 40915980

約数和(自身を除く): 19170692

約数列:

[1, 2, 4, 8, 293, 586, 1172, 2344, 9277, 18554, 37108, 74216, 2718161, 5436322, 10872644, 21745288]

約数ペア:

[(1, 21745288), (2, 10872644), (4, 5436322), (8, 2718161), (293, 74216), (586, 37108), (1172, 18554), (2344, 9277)]