21000316616

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{11564051}}^1$

素因数の和:11564284

約数の個数: 16

約数和(自身を含む): 39549057840

約数和(自身を除く): 18548741224

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 11564051, 23128102, 46256204, 92512408, 2625039577, 5250079154, 10500158308, 21000316616]

約数ペア:

[(1, 21000316616), (2, 10500158308), (4, 5250079154), (8, 2625039577), (227, 92512408), (454, 46256204), (908, 23128102), (1816, 11564051)]