21515392

素因数分解:

$2^7\times {\mathrm{168089}}^1$

素因数の和:168103

約数の個数: 16

約数和(自身を含む): 42862950

約数和(自身を除く): 21347558

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 168089, 336178, 672356, 1344712, 2689424, 5378848, 10757696, 21515392]

約数ペア:

[(1, 21515392), (2, 10757696), (4, 5378848), (8, 2689424), (16, 1344712), (32, 672356), (64, 336178), (128, 168089)]