21187242

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28345878

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1511, 1558, 2337, 3022, 4533, 4674, 7011, 9066, 13599, 14022, 27198, 28709, 57418, 61951, 86127, 123902, 172254, 185853, 258381, 371706, 516762, 557559, 1115118, 1177069, 2354138, 3531207, 7062414, 10593621, 21187242]

約数ペア:

[(1, 21187242), (2, 10593621), (3, 7062414), (6, 3531207), (9, 2354138), (18, 1177069), (19, 1115118), (38, 557559), (41, 516762), (57, 371706), (82, 258381), (114, 185853), (123, 172254), (171, 123902), (246, 86127), (342, 61951), (369, 57418), (738, 28709), (779, 27198), (1511, 14022), (1558, 13599), (2337, 9066), (3022, 7011), (4533, 4674)]