21551992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 29769608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 59, 77, 88, 118, 154, 236, 308, 413, 472, 593, 616, 649, 826, 1186, 1298, 1652, 2372, 2596, 3304, 4151, 4543, 4744, 5192, 6523, 8302, 9086, 13046, 16604, 18172, 26092, 33208, 34987, 36344, 45661, 52184, 69974, 91322, 139948, 182644, 244909, 279896, 365288, 384857, 489818, 769714, 979636, 1539428, 1959272, 2693999, 3078856, 5387998, 10775996, 21551992]

約数ペア:

[(1, 21551992), (2, 10775996), (4, 5387998), (7, 3078856), (8, 2693999), (11, 1959272), (14, 1539428), (22, 979636), (28, 769714), (44, 489818), (56, 384857), (59, 365288), (77, 279896), (88, 244909), (118, 182644), (154, 139948), (236, 91322), (308, 69974), (413, 52184), (472, 45661), (593, 36344), (616, 34987), (649, 33208), (826, 26092), (1186, 18172), (1298, 16604), (1652, 13046), (2372, 9086), (2596, 8302), (3304, 6523), (4151, 5192), (4543, 4744)]