21027003380

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2774011}}^1$

素因数の和:2774399

約数の個数: 24

約数和(自身を含む): 44273231520

約数和(自身を除く): 23246228140

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 2774011, 5548022, 11096044, 13870055, 27740110, 55480220, 1051350169, 2102700338, 4205400676, 5256750845, 10513501690, 21027003380]

約数ペア:

[(1, 21027003380), (2, 10513501690), (4, 5256750845), (5, 4205400676), (10, 2102700338), (20, 1051350169), (379, 55480220), (758, 27740110), (1516, 13870055), (1895, 11096044), (3790, 5548022), (7580, 2774011)]