21612085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4051}}^1$

素因数の和:4164

約数の個数: 16

約数和(自身を含む): 28590912

約数和(自身を除く): 6978827

約数列:

[1, 5, 11, 55, 97, 485, 1067, 4051, 5335, 20255, 44561, 222805, 392947, 1964735, 4322417, 21612085]

約数ペア:

[(1, 21612085), (5, 4322417), (11, 1964735), (55, 392947), (97, 222805), (485, 44561), (1067, 20255), (4051, 5335)]