21103412992

素因数分解:

$2^8\times {\mathrm{82435207}}^1$

素因数の和:82435223

約数の個数: 18

約数和(自身を含む): 42124391288

約数和(自身を除く): 21020978296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 82435207, 164870414, 329740828, 659481656, 1318963312, 2637926624, 5275853248, 10551706496, 21103412992]

約数ペア:

[(1, 21103412992), (2, 10551706496), (4, 5275853248), (8, 2637926624), (16, 1318963312), (32, 659481656), (64, 329740828), (128, 164870414), (256, 82435207)]