21564928

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1$

素因数の和:583

約数の個数: 80

約数和(自身を含む): 53817984

約数和(自身を除く): 32253056

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 512, 547, 616, 704, 896, 1094, 1232, 1408, 1792, 2188, 2464, 2816, 3584, 3829, 4376, 4928, 5632, 6017, 7658, 8752, 9856, 12034, 15316, 17504, 19712, 24068, 30632, 35008, 39424, 42119, 48136, 61264, 70016, 84238, 96272, 122528, 140032, 168476, 192544, 245056, 280064, 336952, 385088, 490112, 673904, 770176, 980224, 1347808, 1540352, 1960448, 2695616, 3080704, 5391232, 10782464, 21564928]

約数ペア:

[(1, 21564928), (2, 10782464), (4, 5391232), (7, 3080704), (8, 2695616), (11, 1960448), (14, 1540352), (16, 1347808), (22, 980224), (28, 770176), (32, 673904), (44, 490112), (56, 385088), (64, 336952), (77, 280064), (88, 245056), (112, 192544), (128, 168476), (154, 140032), (176, 122528), (224, 96272), (256, 84238), (308, 70016), (352, 61264), (448, 48136), (512, 42119), (547, 39424), (616, 35008), (704, 30632), (896, 24068), (1094, 19712), (1232, 17504), (1408, 15316), (1792, 12034), (2188, 9856), (2464, 8752), (2816, 7658), (3584, 6017), (3829, 5632), (4376, 4928)]