21633080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{77261}}^1$

素因数の和:77279

約数の個数: 32

約数和(自身を含む): 55628640

約数和(自身を除く): 33995560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 77261, 154522, 309044, 386305, 540827, 618088, 772610, 1081654, 1545220, 2163308, 2704135, 3090440, 4326616, 5408270, 10816540, 21633080]

約数ペア:

[(1, 21633080), (2, 10816540), (4, 5408270), (5, 4326616), (7, 3090440), (8, 2704135), (10, 2163308), (14, 1545220), (20, 1081654), (28, 772610), (35, 618088), (40, 540827), (56, 386305), (70, 309044), (140, 154522), (280, 77261)]