21472600

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1063}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 50465520

約数和(自身を除く): 28992920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1063, 2020, 2126, 2525, 4040, 4252, 5050, 5315, 8504, 10100, 10630, 20200, 21260, 26575, 42520, 53150, 106300, 107363, 212600, 214726, 429452, 536815, 858904, 1073630, 2147260, 2684075, 4294520, 5368150, 10736300, 21472600]

約数ペア:

[(1, 21472600), (2, 10736300), (4, 5368150), (5, 4294520), (8, 2684075), (10, 2147260), (20, 1073630), (25, 858904), (40, 536815), (50, 429452), (100, 214726), (101, 212600), (200, 107363), (202, 106300), (404, 53150), (505, 42520), (808, 26575), (1010, 21260), (1063, 20200), (2020, 10630), (2126, 10100), (2525, 8504), (4040, 5315), (4252, 5050)]