21743060

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1931}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 45765216

約数和(自身を除く): 24022156

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1931, 2252, 2815, 3862, 5630, 7724, 9655, 11260, 19310, 38620, 1087153, 2174306, 4348612, 5435765, 10871530, 21743060]

約数ペア:

[(1, 21743060), (2, 10871530), (4, 5435765), (5, 4348612), (10, 2174306), (20, 1087153), (563, 38620), (1126, 19310), (1931, 11260), (2252, 9655), (2815, 7724), (3862, 5630)]