21827672

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 20266408

約数列:

[1, 2, 4, 8, 71, 83, 142, 166, 284, 332, 463, 568, 664, 926, 1852, 3704, 5893, 11786, 23572, 32873, 38429, 47144, 65746, 76858, 131492, 153716, 262984, 307432, 2728459, 5456918, 10913836, 21827672]

約数ペア:

[(1, 21827672), (2, 10913836), (4, 5456918), (8, 2728459), (71, 307432), (83, 262984), (142, 153716), (166, 131492), (284, 76858), (332, 65746), (463, 47144), (568, 38429), (664, 32873), (926, 23572), (1852, 11786), (3704, 5893)]