21677260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98533}}^1$

素因数の和:98553

約数の個数: 24

約数和(自身を含む): 49661136

約数和(自身を除く): 27983876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98533, 197066, 394132, 492665, 985330, 1083863, 1970660, 2167726, 4335452, 5419315, 10838630, 21677260]

約数ペア:

[(1, 21677260), (2, 10838630), (4, 5419315), (5, 4335452), (10, 2167726), (11, 1970660), (20, 1083863), (22, 985330), (44, 492665), (55, 394132), (110, 197066), (220, 98533)]