21951260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37847}}^1$

素因数の和:37885

約数の個数: 24

約数和(自身を含む): 47688480

約数和(自身を除く): 25737220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37847, 75694, 151388, 189235, 378470, 756940, 1097563, 2195126, 4390252, 5487815, 10975630, 21951260]

約数ペア:

[(1, 21951260), (2, 10975630), (4, 5487815), (5, 4390252), (10, 2195126), (20, 1097563), (29, 756940), (58, 378470), (116, 189235), (145, 151388), (290, 75694), (580, 37847)]