21438804

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12853}}^1$

素因数の和:12999

約数の個数: 24

約数和(自身を含む): 50387680

約数和(自身を除く): 28948876

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12853, 25706, 38559, 51412, 77118, 154236, 1786567, 3573134, 5359701, 7146268, 10719402, 21438804]

約数ペア:

[(1, 21438804), (2, 10719402), (3, 7146268), (4, 5359701), (6, 3573134), (12, 1786567), (139, 154236), (278, 77118), (417, 51412), (556, 38559), (834, 25706), (1668, 12853)]