21160960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{4133}}^1$

素因数の和:4158

約数の個数: 44

約数和(自身を含む): 50773788

約数和(自身を除く): 29612828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 4133, 5120, 8266, 16532, 20665, 33064, 41330, 66128, 82660, 132256, 165320, 264512, 330640, 529024, 661280, 1058048, 1322560, 2116096, 2645120, 4232192, 5290240, 10580480, 21160960]

約数ペア:

[(1, 21160960), (2, 10580480), (4, 5290240), (5, 4232192), (8, 2645120), (10, 2116096), (16, 1322560), (20, 1058048), (32, 661280), (40, 529024), (64, 330640), (80, 264512), (128, 165320), (160, 132256), (256, 82660), (320, 66128), (512, 41330), (640, 33064), (1024, 20665), (1280, 16532), (2560, 8266), (4133, 5120)]