21488128

素因数分解:

$2^9\times {\mathrm{41969}}^1$

素因数の和:41987

約数の個数: 20

約数和(自身を含む): 42935310

約数和(自身を除く): 21447182

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41969, 83938, 167876, 335752, 671504, 1343008, 2686016, 5372032, 10744064, 21488128]

約数ペア:

[(1, 21488128), (2, 10744064), (4, 5372032), (8, 2686016), (16, 1343008), (32, 671504), (64, 335752), (128, 167876), (256, 83938), (512, 41969)]