21291312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63367}}^1$

素因数の和:63385

約数の個数: 40

約数和(自身を含む): 62861056

約数和(自身を除く): 41569744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63367, 126734, 190101, 253468, 380202, 443569, 506936, 760404, 887138, 1013872, 1330707, 1520808, 1774276, 2661414, 3041616, 3548552, 5322828, 7097104, 10645656, 21291312]

約数ペア:

[(1, 21291312), (2, 10645656), (3, 7097104), (4, 5322828), (6, 3548552), (7, 3041616), (8, 2661414), (12, 1774276), (14, 1520808), (16, 1330707), (21, 1013872), (24, 887138), (28, 760404), (42, 506936), (48, 443569), (56, 380202), (84, 253468), (112, 190101), (168, 126734), (336, 63367)]