21336616

素因数分解:

$2^3\times 7^1\times {\mathrm{381011}}^1$

素因数の和:381024

約数の個数: 16

約数和(自身を含む): 45721440

約数和(自身を除く): 24384824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 381011, 762022, 1524044, 2667077, 3048088, 5334154, 10668308, 21336616]

約数ペア:

[(1, 21336616), (2, 10668308), (4, 5334154), (7, 3048088), (8, 2667077), (14, 1524044), (28, 762022), (56, 381011)]