21583700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2252

約数の個数: 36

約数和(自身を含む): 47322492

約数和(自身を除く): 25738792

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2137, 2525, 4274, 5050, 8548, 10100, 10685, 21370, 42740, 53425, 106850, 213700, 215837, 431674, 863348, 1079185, 2158370, 4316740, 5395925, 10791850, 21583700]

約数ペア:

[(1, 21583700), (2, 10791850), (4, 5395925), (5, 4316740), (10, 2158370), (20, 1079185), (25, 863348), (50, 431674), (100, 215837), (101, 213700), (202, 106850), (404, 53425), (505, 42740), (1010, 21370), (2020, 10685), (2137, 10100), (2525, 8548), (4274, 5050)]