20210257419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1\times {\mathrm{21467}}^1$

素因数の和:22135

約数の個数: 32

約数和(自身を含む): 30073061376

約数和(自身を除く): 9862803957

約数列:

[1, 3, 11, 33, 47, 141, 517, 607, 1551, 1821, 6677, 20031, 21467, 28529, 64401, 85587, 236137, 313819, 708411, 941457, 1008949, 3026847, 11098439, 13030469, 33295317, 39091407, 143335159, 430005477, 612432043, 1837296129, 6736752473, 20210257419]

約数ペア:

[(1, 20210257419), (3, 6736752473), (11, 1837296129), (33, 612432043), (47, 430005477), (141, 143335159), (517, 39091407), (607, 33295317), (1551, 13030469), (1821, 11098439), (6677, 3026847), (20031, 1008949), (21467, 941457), (28529, 708411), (64401, 313819), (85587, 236137)]