21771972

素因数分解:

$2^2\times 3^2\times {\mathrm{709}}^1\times {\mathrm{853}}^1$

素因数の和:1572

約数の個数: 36

約数和(自身を含む): 55176940

約数和(自身を除く): 33404968

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 709, 853, 1418, 1706, 2127, 2559, 2836, 3412, 4254, 5118, 6381, 7677, 8508, 10236, 12762, 15354, 25524, 30708, 604777, 1209554, 1814331, 2419108, 3628662, 5442993, 7257324, 10885986, 21771972]

約数ペア:

[(1, 21771972), (2, 10885986), (3, 7257324), (4, 5442993), (6, 3628662), (9, 2419108), (12, 1814331), (18, 1209554), (36, 604777), (709, 30708), (853, 25524), (1418, 15354), (1706, 12762), (2127, 10236), (2559, 8508), (2836, 7677), (3412, 6381), (4254, 5118)]