21568064

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1603

約数の個数: 56

約数和(自身を含む): 50523648

約数和(自身を除く): 28955584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1553, 1736, 1984, 3106, 3472, 6212, 6944, 10871, 12424, 13888, 21742, 24848, 43484, 48143, 49696, 86968, 96286, 99392, 173936, 192572, 337001, 347872, 385144, 674002, 695744, 770288, 1348004, 1540576, 2696008, 3081152, 5392016, 10784032, 21568064]

約数ペア:

[(1, 21568064), (2, 10784032), (4, 5392016), (7, 3081152), (8, 2696008), (14, 1540576), (16, 1348004), (28, 770288), (31, 695744), (32, 674002), (56, 385144), (62, 347872), (64, 337001), (112, 192572), (124, 173936), (217, 99392), (224, 96286), (248, 86968), (434, 49696), (448, 48143), (496, 43484), (868, 24848), (992, 21742), (1553, 13888), (1736, 12424), (1984, 10871), (3106, 6944), (3472, 6212)]