21673264

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{2693}}^1$

素因数の和:3204

約数の個数: 20

約数和(自身を含む): 42091056

約数和(自身を除く): 20417792

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 2693, 4024, 5386, 8048, 10772, 21544, 43088, 1354579, 2709158, 5418316, 10836632, 21673264]

約数ペア:

[(1, 21673264), (2, 10836632), (4, 5418316), (8, 2709158), (16, 1354579), (503, 43088), (1006, 21544), (2012, 10772), (2693, 8048), (4024, 5386)]