21027356048

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42393863}}^1$

素因数の和:42393902

約数の個数: 20

約数和(自身を含む): 42054713088

約数和(自身を除く): 21027357040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42393863, 84787726, 169575452, 339150904, 678301808, 1314209753, 2628419506, 5256839012, 10513678024, 21027356048]

約数ペア:

[(1, 21027356048), (2, 10513678024), (4, 5256839012), (8, 2628419506), (16, 1314209753), (31, 678301808), (62, 339150904), (124, 169575452), (248, 84787726), (496, 42393863)]