21675248

素因数分解:

$2^4\times 7^2\times {\mathrm{27647}}^1$

素因数の和:27669

約数の個数: 30

約数和(自身を含む): 48854016

約数和(自身を除く): 27178768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27647, 55294, 110588, 193529, 221176, 387058, 442352, 774116, 1354703, 1548232, 2709406, 3096464, 5418812, 10837624, 21675248]

約数ペア:

[(1, 21675248), (2, 10837624), (4, 5418812), (7, 3096464), (8, 2709406), (14, 1548232), (16, 1354703), (28, 774116), (49, 442352), (56, 387058), (98, 221176), (112, 193529), (196, 110588), (392, 55294), (784, 27647)]