21447808

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8819}}^1$

素因数の和:8852

約数の個数: 32

約数和(自身を含む): 44982000

約数和(自身を除く): 23534192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8819, 17638, 35276, 70552, 141104, 167561, 282208, 335122, 564416, 670244, 1128832, 1340488, 2680976, 5361952, 10723904, 21447808]

約数ペア:

[(1, 21447808), (2, 10723904), (4, 5361952), (8, 2680976), (16, 1340488), (19, 1128832), (32, 670244), (38, 564416), (64, 335122), (76, 282208), (128, 167561), (152, 141104), (304, 70552), (608, 35276), (1216, 17638), (2432, 8819)]