21505024

素因数分解:

$2^{10}\times {\mathrm{21001}}^1$

素因数の和:21021

約数の個数: 22

約数和(自身を含む): 42991094

約数和(自身を除く): 21486070

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 21001, 42002, 84004, 168008, 336016, 672032, 1344064, 2688128, 5376256, 10752512, 21505024]

約数ペア:

[(1, 21505024), (2, 10752512), (4, 5376256), (8, 2688128), (16, 1344064), (32, 672032), (64, 336016), (128, 168008), (256, 84004), (512, 42002), (1024, 21001)]