21931070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313301}}^1$

素因数の和:313315

約数の個数: 16

約数和(自身を含む): 45115488

約数和(自身を除く): 23184418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313301, 626602, 1566505, 2193107, 3133010, 4386214, 10965535, 21931070]

約数ペア:

[(1, 21931070), (2, 10965535), (5, 4386214), (7, 3133010), (10, 2193107), (14, 1566505), (35, 626602), (70, 313301)]