21926416

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9859}}^1$

素因数の和:10006

約数の個数: 20

約数和(自身を含む): 42792400

約数和(自身を除く): 20865984

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9859, 19718, 39436, 78872, 157744, 1370401, 2740802, 5481604, 10963208, 21926416]

約数ペア:

[(1, 21926416), (2, 10963208), (4, 5481604), (8, 2740802), (16, 1370401), (139, 157744), (278, 78872), (556, 39436), (1112, 19718), (2224, 9859)]