21248060

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9929}}^1$

素因数の和:10045

約数の個数: 24

約数和(自身を含む): 45042480

約数和(自身を除く): 23794420

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9929, 19858, 39716, 49645, 99290, 198580, 1062403, 2124806, 4249612, 5312015, 10624030, 21248060]

約数ペア:

[(1, 21248060), (2, 10624030), (4, 5312015), (5, 4249612), (10, 2124806), (20, 1062403), (107, 198580), (214, 99290), (428, 49645), (535, 39716), (1070, 19858), (2140, 9929)]