21244272

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2790

約数の個数: 80

約数和(自身を含む): 65472000

約数和(自身を除く): 44227728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2749, 3864, 5498, 7728, 8247, 10996, 16494, 19243, 21992, 32988, 38486, 43984, 57729, 63227, 65976, 76972, 115458, 126454, 131952, 153944, 189681, 230916, 252908, 307888, 379362, 442589, 461832, 505816, 758724, 885178, 923664, 1011632, 1327767, 1517448, 1770356, 2655534, 3034896, 3540712, 5311068, 7081424, 10622136, 21244272]

約数ペア:

[(1, 21244272), (2, 10622136), (3, 7081424), (4, 5311068), (6, 3540712), (7, 3034896), (8, 2655534), (12, 1770356), (14, 1517448), (16, 1327767), (21, 1011632), (23, 923664), (24, 885178), (28, 758724), (42, 505816), (46, 461832), (48, 442589), (56, 379362), (69, 307888), (84, 252908), (92, 230916), (112, 189681), (138, 153944), (161, 131952), (168, 126454), (184, 115458), (276, 76972), (322, 65976), (336, 63227), (368, 57729), (483, 43984), (552, 38486), (644, 32988), (966, 21992), (1104, 19243), (1288, 16494), (1932, 10996), (2576, 8247), (2749, 7728), (3864, 5498)]