21516409870

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1\times {\mathrm{17909}}^1$

素因数の和:18612

約数の個数: 32

約数和(自身を含む): 38956399200

約数和(自身を除く): 17439989330

約数列:

[1, 2, 5, 10, 317, 379, 634, 758, 1585, 1895, 3170, 3790, 17909, 35818, 89545, 120143, 179090, 240286, 600715, 1201430, 5677153, 6787511, 11354306, 13575022, 28385765, 33937555, 56771530, 67875110, 2151640987, 4303281974, 10758204935, 21516409870]

約数ペア:

[(1, 21516409870), (2, 10758204935), (5, 4303281974), (10, 2151640987), (317, 67875110), (379, 56771530), (634, 33937555), (758, 28385765), (1585, 13575022), (1895, 11354306), (3170, 6787511), (3790, 5677153), (17909, 1201430), (35818, 600715), (89545, 240286), (120143, 179090)]