21649404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257731}}^1$

素因数の和:257745

約数の個数: 24

約数和(自身を含む): 57731968

約数和(自身を除く): 36082564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257731, 515462, 773193, 1030924, 1546386, 1804117, 3092772, 3608234, 5412351, 7216468, 10824702, 21649404]

約数ペア:

[(1, 21649404), (2, 10824702), (3, 7216468), (4, 5412351), (6, 3608234), (7, 3092772), (12, 1804117), (14, 1546386), (21, 1030924), (28, 773193), (42, 515462), (84, 257731)]