21849530

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11321}}^1$

素因数の和:11521

約数の個数: 16

約数和(自身を含む): 39536424

約数和(自身を除く): 17686894

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 11321, 22642, 56605, 113210, 2184953, 4369906, 10924765, 21849530]

約数ペア:

[(1, 21849530), (2, 10924765), (5, 4369906), (10, 2184953), (193, 113210), (386, 56605), (965, 22642), (1930, 11321)]