21221684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6607}}^1$

素因数の和:6695

約数の個数: 24

約数和(自身を含む): 41075328

約数和(自身を除く): 19853644

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6607, 13214, 26428, 72677, 145354, 290708, 482311, 964622, 1929244, 5305421, 10610842, 21221684]

約数ペア:

[(1, 21221684), (2, 10610842), (4, 5305421), (11, 1929244), (22, 964622), (44, 482311), (73, 290708), (146, 145354), (292, 72677), (803, 26428), (1606, 13214), (3212, 6607)]