21874384

素因数分解:

$2^4\times 7^2\times {\mathrm{27901}}^1$

素因数の和:27923

約数の個数: 30

約数和(自身を含む): 49302834

約数和(自身を除く): 27428450

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27901, 55802, 111604, 195307, 223208, 390614, 446416, 781228, 1367149, 1562456, 2734298, 3124912, 5468596, 10937192, 21874384]

約数ペア:

[(1, 21874384), (2, 10937192), (4, 5468596), (7, 3124912), (8, 2734298), (14, 1562456), (16, 1367149), (28, 781228), (49, 446416), (56, 390614), (98, 223208), (112, 195307), (196, 111604), (392, 55802), (784, 27901)]