21441070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{306301}}^1$

素因数の和:306315

約数の個数: 16

約数和(自身を含む): 44107488

約数和(自身を除く): 22666418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 306301, 612602, 1531505, 2144107, 3063010, 4288214, 10720535, 21441070]

約数ペア:

[(1, 21441070), (2, 10720535), (5, 4288214), (7, 3063010), (10, 2144107), (14, 1531505), (35, 612602), (70, 306301)]