21755456

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17891}}^1$

素因数の和:17922

約数の個数: 28

約数和(自身を含む): 45445680

約数和(自身を除く): 23690224

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17891, 35782, 71564, 143128, 286256, 339929, 572512, 679858, 1145024, 1359716, 2719432, 5438864, 10877728, 21755456]

約数ペア:

[(1, 21755456), (2, 10877728), (4, 5438864), (8, 2719432), (16, 1359716), (19, 1145024), (32, 679858), (38, 572512), (64, 339929), (76, 286256), (152, 143128), (304, 71564), (608, 35782), (1216, 17891)]