21051328

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3391}}^1$

素因数の和:3500

約数の個数: 28

約数和(自身を含む): 42216832

約数和(自身を除く): 21165504

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3391, 6208, 6782, 13564, 27128, 54256, 108512, 217024, 328927, 657854, 1315708, 2631416, 5262832, 10525664, 21051328]

約数ペア:

[(1, 21051328), (2, 10525664), (4, 5262832), (8, 2631416), (16, 1315708), (32, 657854), (64, 328927), (97, 217024), (194, 108512), (388, 54256), (776, 27128), (1552, 13564), (3104, 6782), (3391, 6208)]