21341530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{304879}}^1$

素因数の和:304893

約数の個数: 16

約数和(自身を含む): 43902720

約数和(自身を除く): 22561190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 304879, 609758, 1524395, 2134153, 3048790, 4268306, 10670765, 21341530]

約数ペア:

[(1, 21341530), (2, 10670765), (5, 4268306), (7, 3048790), (10, 2134153), (14, 1524395), (35, 609758), (70, 304879)]