21950900

素因数分解:

$2^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1208

約数の個数: 36

約数和(自身を含む): 47892768

約数和(自身を除く): 25941868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 227, 454, 908, 967, 1135, 1934, 2270, 3868, 4540, 4835, 5675, 9670, 11350, 19340, 22700, 24175, 48350, 96700, 219509, 439018, 878036, 1097545, 2195090, 4390180, 5487725, 10975450, 21950900]

約数ペア:

[(1, 21950900), (2, 10975450), (4, 5487725), (5, 4390180), (10, 2195090), (20, 1097545), (25, 878036), (50, 439018), (100, 219509), (227, 96700), (454, 48350), (908, 24175), (967, 22700), (1135, 19340), (1934, 11350), (2270, 9670), (3868, 5675), (4540, 4835)]