21365248

素因数分解:

$2^9\times {\mathrm{41729}}^1$

素因数の和:41747

約数の個数: 20

約数和(自身を含む): 42689790

約数和(自身を除く): 21324542

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41729, 83458, 166916, 333832, 667664, 1335328, 2670656, 5341312, 10682624, 21365248]

約数ペア:

[(1, 21365248), (2, 10682624), (4, 5341312), (8, 2670656), (16, 1335328), (32, 667664), (64, 333832), (128, 166916), (256, 83458), (512, 41729)]