21775340

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2273}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 45843840

約数和(自身を除く): 24068500

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2273, 2395, 4546, 4790, 9092, 9580, 11365, 22730, 45460, 1088767, 2177534, 4355068, 5443835, 10887670, 21775340]

約数ペア:

[(1, 21775340), (2, 10887670), (4, 5443835), (5, 4355068), (10, 2177534), (20, 1088767), (479, 45460), (958, 22730), (1916, 11365), (2273, 9580), (2395, 9092), (4546, 4790)]