21785634

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 51243192

約数和(自身を除く): 29457558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 593, 942, 1186, 1413, 1779, 2041, 2826, 3558, 4082, 5337, 6123, 7709, 10674, 12246, 15418, 18369, 23127, 36738, 46254, 69381, 93101, 138762, 186202, 279303, 558606, 837909, 1210313, 1675818, 2420626, 3630939, 7261878, 10892817, 21785634]

約数ペア:

[(1, 21785634), (2, 10892817), (3, 7261878), (6, 3630939), (9, 2420626), (13, 1675818), (18, 1210313), (26, 837909), (39, 558606), (78, 279303), (117, 186202), (157, 138762), (234, 93101), (314, 69381), (471, 46254), (593, 36738), (942, 23127), (1186, 18369), (1413, 15418), (1779, 12246), (2041, 10674), (2826, 7709), (3558, 6123), (4082, 5337)]