21815584

素因数分解:

$2^5\times 7^2\times {\mathrm{13913}}^1$

素因数の和:13937

約数の個数: 36

約数和(自身を含む): 49965174

約数和(自身を除く): 28149590

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13913, 27826, 55652, 97391, 111304, 194782, 222608, 389564, 445216, 681737, 779128, 1363474, 1558256, 2726948, 3116512, 5453896, 10907792, 21815584]

約数ペア:

[(1, 21815584), (2, 10907792), (4, 5453896), (7, 3116512), (8, 2726948), (14, 1558256), (16, 1363474), (28, 779128), (32, 681737), (49, 445216), (56, 389564), (98, 222608), (112, 194782), (196, 111304), (224, 97391), (392, 55652), (784, 27826), (1568, 13913)]