21905744

素因数分解:

$2^4\times 7^2\times {\mathrm{27941}}^1$

素因数の和:27963

約数の個数: 30

約数和(自身を含む): 49373514

約数和(自身を除く): 27467770

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27941, 55882, 111764, 195587, 223528, 391174, 447056, 782348, 1369109, 1564696, 2738218, 3129392, 5476436, 10952872, 21905744]

約数ペア:

[(1, 21905744), (2, 10952872), (4, 5476436), (7, 3129392), (8, 2738218), (14, 1564696), (16, 1369109), (28, 782348), (49, 447056), (56, 391174), (98, 223528), (112, 195587), (196, 111764), (392, 55882), (784, 27941)]