21906176

素因数分解:

$2^8\times {\mathrm{85571}}^1$

素因数の和:85587

約数の個数: 18

約数和(自身を含む): 43727292

約数和(自身を除く): 21821116

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85571, 171142, 342284, 684568, 1369136, 2738272, 5476544, 10953088, 21906176]

約数ペア:

[(1, 21906176), (2, 10953088), (4, 5476544), (8, 2738272), (16, 1369136), (32, 684568), (64, 342284), (128, 171142), (256, 85571)]