21113672

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{13397}}^1$

素因数の和:13600

約数の個数: 16

約数和(自身を含む): 39792060

約数和(自身を除く): 18678388

約数列:

[1, 2, 4, 8, 197, 394, 788, 1576, 13397, 26794, 53588, 107176, 2639209, 5278418, 10556836, 21113672]

約数ペア:

[(1, 21113672), (2, 10556836), (4, 5278418), (8, 2639209), (197, 107176), (394, 53588), (788, 26794), (1576, 13397)]