21826100

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2161}}^1$

素因数の和:2276

約数の個数: 36

約数和(自身を含む): 47853708

約数和(自身を除く): 26027608

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2161, 2525, 4322, 5050, 8644, 10100, 10805, 21610, 43220, 54025, 108050, 216100, 218261, 436522, 873044, 1091305, 2182610, 4365220, 5456525, 10913050, 21826100]

約数ペア:

[(1, 21826100), (2, 10913050), (4, 5456525), (5, 4365220), (10, 2182610), (20, 1091305), (25, 873044), (50, 436522), (100, 218261), (101, 216100), (202, 108050), (404, 54025), (505, 43220), (1010, 21610), (2020, 10805), (2161, 10100), (2525, 8644), (4322, 5050)]