21369344

素因数分解:

$2^9\times {\mathrm{41737}}^1$

素因数の和:41755

約数の個数: 20

約数和(自身を含む): 42697974

約数和(自身を除く): 21328630

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41737, 83474, 166948, 333896, 667792, 1335584, 2671168, 5342336, 10684672, 21369344]

約数ペア:

[(1, 21369344), (2, 10684672), (4, 5342336), (8, 2671168), (16, 1335584), (32, 667792), (64, 333896), (128, 166948), (256, 83474), (512, 41737)]