21143060

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2207}}^1$

素因数の和:2695

約数の個数: 24

約数和(自身を含む): 44513280

約数和(自身を除く): 23370220

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2207, 2395, 4414, 4790, 8828, 9580, 11035, 22070, 44140, 1057153, 2114306, 4228612, 5285765, 10571530, 21143060]

約数ペア:

[(1, 21143060), (2, 10571530), (4, 5285765), (5, 4228612), (10, 2114306), (20, 1057153), (479, 44140), (958, 22070), (1916, 11035), (2207, 9580), (2395, 8828), (4414, 4790)]