21799782

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 27209178

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 109, 123, 218, 246, 271, 327, 369, 542, 654, 738, 813, 981, 1626, 1962, 2439, 4469, 4878, 8938, 11111, 13407, 22222, 26814, 29539, 33333, 40221, 59078, 66666, 80442, 88617, 99999, 177234, 199998, 265851, 531702, 1211099, 2422198, 3633297, 7266594, 10899891, 21799782]

約数ペア:

[(1, 21799782), (2, 10899891), (3, 7266594), (6, 3633297), (9, 2422198), (18, 1211099), (41, 531702), (82, 265851), (109, 199998), (123, 177234), (218, 99999), (246, 88617), (271, 80442), (327, 66666), (369, 59078), (542, 40221), (654, 33333), (738, 29539), (813, 26814), (981, 22222), (1626, 13407), (1962, 11111), (2439, 8938), (4469, 4878)]