21439824

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63809}}^1$

素因数の和:63827

約数の個数: 40

約数和(自身を含む): 63299520

約数和(自身を除く): 41859696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63809, 127618, 191427, 255236, 382854, 446663, 510472, 765708, 893326, 1020944, 1339989, 1531416, 1786652, 2679978, 3062832, 3573304, 5359956, 7146608, 10719912, 21439824]

約数ペア:

[(1, 21439824), (2, 10719912), (3, 7146608), (4, 5359956), (6, 3573304), (7, 3062832), (8, 2679978), (12, 1786652), (14, 1531416), (16, 1339989), (21, 1020944), (24, 893326), (28, 765708), (42, 510472), (48, 446663), (56, 382854), (84, 255236), (112, 191427), (168, 127618), (336, 63809)]