21256592

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1468

約数の個数: 60

約数和(自身を含む): 50465520

約数和(自身を除く): 29208928

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1427, 1862, 2128, 2854, 3724, 5708, 7448, 9989, 11416, 14896, 19978, 22832, 27113, 39956, 54226, 69923, 79912, 108452, 139846, 159824, 189791, 216904, 279692, 379582, 433808, 559384, 759164, 1118768, 1328537, 1518328, 2657074, 3036656, 5314148, 10628296, 21256592]

約数ペア:

[(1, 21256592), (2, 10628296), (4, 5314148), (7, 3036656), (8, 2657074), (14, 1518328), (16, 1328537), (19, 1118768), (28, 759164), (38, 559384), (49, 433808), (56, 379582), (76, 279692), (98, 216904), (112, 189791), (133, 159824), (152, 139846), (196, 108452), (266, 79912), (304, 69923), (392, 54226), (532, 39956), (784, 27113), (931, 22832), (1064, 19978), (1427, 14896), (1862, 11416), (2128, 9989), (2854, 7448), (3724, 5708)]