21828708

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 60715200

約数和(自身を除く): 38886492

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 199, 277, 396, 398, 554, 597, 796, 831, 1108, 1194, 1662, 1791, 2189, 2388, 2493, 3047, 3324, 3582, 4378, 4986, 6094, 6567, 7164, 8756, 9141, 9972, 12188, 13134, 18282, 19701, 26268, 27423, 36564, 39402, 54846, 55123, 78804, 109692, 110246, 165369, 220492, 330738, 496107, 606353, 661476, 992214, 1212706, 1819059, 1984428, 2425412, 3638118, 5457177, 7276236, 10914354, 21828708]

約数ペア:

[(1, 21828708), (2, 10914354), (3, 7276236), (4, 5457177), (6, 3638118), (9, 2425412), (11, 1984428), (12, 1819059), (18, 1212706), (22, 992214), (33, 661476), (36, 606353), (44, 496107), (66, 330738), (99, 220492), (132, 165369), (198, 110246), (199, 109692), (277, 78804), (396, 55123), (398, 54846), (554, 39402), (597, 36564), (796, 27423), (831, 26268), (1108, 19701), (1194, 18282), (1662, 13134), (1791, 12188), (2189, 9972), (2388, 9141), (2493, 8756), (3047, 7164), (3324, 6567), (3582, 6094), (4378, 4986)]