21608384

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:505

約数の個数: 56

約数和(自身を含む): 49499520

約数和(自身を除く): 27891136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 347, 448, 556, 694, 973, 1112, 1388, 1946, 2224, 2429, 2776, 3892, 4448, 4858, 5552, 7784, 8896, 9716, 11104, 15568, 19432, 22208, 31136, 38864, 48233, 62272, 77728, 96466, 155456, 192932, 337631, 385864, 675262, 771728, 1350524, 1543456, 2701048, 3086912, 5402096, 10804192, 21608384]

約数ペア:

[(1, 21608384), (2, 10804192), (4, 5402096), (7, 3086912), (8, 2701048), (14, 1543456), (16, 1350524), (28, 771728), (32, 675262), (56, 385864), (64, 337631), (112, 192932), (139, 155456), (224, 96466), (278, 77728), (347, 62272), (448, 48233), (556, 38864), (694, 31136), (973, 22208), (1112, 19432), (1388, 15568), (1946, 11104), (2224, 9716), (2429, 8896), (2776, 7784), (3892, 5552), (4448, 4858)]