21520624

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11903}}^1$

素因数の和:12024

約数の個数: 20

約数和(自身を含む): 42068736

約数和(自身を除く): 20548112

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11903, 23806, 47612, 95224, 190448, 1345039, 2690078, 5380156, 10760312, 21520624]

約数ペア:

[(1, 21520624), (2, 10760312), (4, 5380156), (8, 2690078), (16, 1345039), (113, 190448), (226, 95224), (452, 47612), (904, 23806), (1808, 11903)]