21985260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33311}}^1$

素因数の和:33334

約数の個数: 48

約数和(自身を含む): 67156992

約数和(自身を除く): 45171732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33311, 66622, 99933, 133244, 166555, 199866, 333110, 366421, 399732, 499665, 666220, 732842, 999330, 1099263, 1465684, 1832105, 1998660, 2198526, 3664210, 4397052, 5496315, 7328420, 10992630, 21985260]

約数ペア:

[(1, 21985260), (2, 10992630), (3, 7328420), (4, 5496315), (5, 4397052), (6, 3664210), (10, 2198526), (11, 1998660), (12, 1832105), (15, 1465684), (20, 1099263), (22, 999330), (30, 732842), (33, 666220), (44, 499665), (55, 399732), (60, 366421), (66, 333110), (110, 199866), (132, 166555), (165, 133244), (220, 99933), (330, 66622), (660, 33311)]