21127764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2593}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 56943488

約数和(自身を除く): 35815724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 582, 679, 1164, 1358, 2037, 2593, 2716, 4074, 5186, 7779, 8148, 10372, 15558, 18151, 31116, 36302, 54453, 72604, 108906, 217812, 251521, 503042, 754563, 1006084, 1509126, 1760647, 3018252, 3521294, 5281941, 7042588, 10563882, 21127764]

約数ペア:

[(1, 21127764), (2, 10563882), (3, 7042588), (4, 5281941), (6, 3521294), (7, 3018252), (12, 1760647), (14, 1509126), (21, 1006084), (28, 754563), (42, 503042), (84, 251521), (97, 217812), (194, 108906), (291, 72604), (388, 54453), (582, 36302), (679, 31116), (1164, 18151), (1358, 15558), (2037, 10372), (2593, 8148), (2716, 7779), (4074, 5186)]