21484544

素因数分解:

$2^{10}\times {\mathrm{20981}}^1$

素因数の和:21001

約数の個数: 22

約数和(自身を含む): 42950154

約数和(自身を除く): 21465610

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20981, 41962, 83924, 167848, 335696, 671392, 1342784, 2685568, 5371136, 10742272, 21484544]

約数ペア:

[(1, 21484544), (2, 10742272), (4, 5371136), (8, 2685568), (16, 1342784), (32, 671392), (64, 335696), (128, 167848), (256, 83924), (512, 41962), (1024, 20981)]