21472976

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:532

約数の個数: 60

約数和(自身を含む): 49299300

約数和(自身を除く): 27826324

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 449, 488, 784, 854, 898, 976, 1708, 1796, 2989, 3143, 3416, 3592, 5978, 6286, 6832, 7184, 11956, 12572, 22001, 23912, 25144, 27389, 44002, 47824, 50288, 54778, 88004, 109556, 176008, 191723, 219112, 352016, 383446, 438224, 766892, 1342061, 1533784, 2684122, 3067568, 5368244, 10736488, 21472976]

約数ペア:

[(1, 21472976), (2, 10736488), (4, 5368244), (7, 3067568), (8, 2684122), (14, 1533784), (16, 1342061), (28, 766892), (49, 438224), (56, 383446), (61, 352016), (98, 219112), (112, 191723), (122, 176008), (196, 109556), (244, 88004), (392, 54778), (427, 50288), (449, 47824), (488, 44002), (784, 27389), (854, 25144), (898, 23912), (976, 22001), (1708, 12572), (1796, 11956), (2989, 7184), (3143, 6832), (3416, 6286), (3592, 5978)]