21432200

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1061}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 50370660

約数和(自身を除く): 28938460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1061, 2020, 2122, 2525, 4040, 4244, 5050, 5305, 8488, 10100, 10610, 20200, 21220, 26525, 42440, 53050, 106100, 107161, 212200, 214322, 428644, 535805, 857288, 1071610, 2143220, 2679025, 4286440, 5358050, 10716100, 21432200]

約数ペア:

[(1, 21432200), (2, 10716100), (4, 5358050), (5, 4286440), (8, 2679025), (10, 2143220), (20, 1071610), (25, 857288), (40, 535805), (50, 428644), (100, 214322), (101, 212200), (200, 107161), (202, 106100), (404, 53050), (505, 42440), (808, 26525), (1010, 21220), (1061, 20200), (2020, 10610), (2122, 10100), (2525, 8488), (4040, 5305), (4244, 5050)]