21516256

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{8101}}^1$

素因数の和:8194

約数の個数: 24

約数和(自身を含む): 42875784

約数和(自身を除く): 21359528

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 8101, 16202, 32404, 64808, 129616, 259232, 672383, 1344766, 2689532, 5379064, 10758128, 21516256]

約数ペア:

[(1, 21516256), (2, 10758128), (4, 5379064), (8, 2689532), (16, 1344766), (32, 672383), (83, 259232), (166, 129616), (332, 64808), (664, 32404), (1328, 16202), (2656, 8101)]