21013504

素因数分解:

$2^{10}\times {\mathrm{20521}}^1$

素因数の和:20541

約数の個数: 22

約数和(自身を含む): 42008534

約数和(自身を除く): 20995030

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20521, 41042, 82084, 164168, 328336, 656672, 1313344, 2626688, 5253376, 10506752, 21013504]

約数ペア:

[(1, 21013504), (2, 10506752), (4, 5253376), (8, 2626688), (16, 1313344), (32, 656672), (64, 328336), (128, 164168), (256, 82084), (512, 41042), (1024, 20521)]