21342592

素因数分解:

$2^7\times {\mathrm{166739}}^1$

素因数の和:166753

約数の個数: 16

約数和(自身を含む): 42518700

約数和(自身を除く): 21176108

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 166739, 333478, 666956, 1333912, 2667824, 5335648, 10671296, 21342592]

約数ペア:

[(1, 21342592), (2, 10671296), (4, 5335648), (8, 2667824), (16, 1333912), (32, 666956), (64, 333478), (128, 166739)]