21278912

素因数分解:

$2^6\times {\mathrm{503}}^1\times {\mathrm{661}}^1$

素因数の和:1176

約数の個数: 28

約数和(自身を含む): 42373296

約数和(自身を除く): 21094384

約数列:

[1, 2, 4, 8, 16, 32, 64, 503, 661, 1006, 1322, 2012, 2644, 4024, 5288, 8048, 10576, 16096, 21152, 32192, 42304, 332483, 664966, 1329932, 2659864, 5319728, 10639456, 21278912]

約数ペア:

[(1, 21278912), (2, 10639456), (4, 5319728), (8, 2659864), (16, 1329932), (32, 664966), (64, 332483), (503, 42304), (661, 32192), (1006, 21152), (1322, 16096), (2012, 10576), (2644, 8048), (4024, 5288)]