21275464

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2099}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 45864000

約数和(自身を除く): 24588536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2099, 2534, 4198, 5068, 8396, 10136, 14693, 16792, 29386, 58772, 117544, 379919, 759838, 1519676, 2659433, 3039352, 5318866, 10637732, 21275464]

約数ペア:

[(1, 21275464), (2, 10637732), (4, 5318866), (7, 3039352), (8, 2659433), (14, 1519676), (28, 759838), (56, 379919), (181, 117544), (362, 58772), (724, 29386), (1267, 16792), (1448, 14693), (2099, 10136), (2534, 8396), (4198, 5068)]