21821016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129887}}^1$

素因数の和:129903

約数の個数: 32

約数和(自身を含む): 62346240

約数和(自身を除く): 40525224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129887, 259774, 389661, 519548, 779322, 909209, 1039096, 1558644, 1818418, 2727627, 3117288, 3636836, 5455254, 7273672, 10910508, 21821016]

約数ペア:

[(1, 21821016), (2, 10910508), (3, 7273672), (4, 5455254), (6, 3636836), (7, 3117288), (8, 2727627), (12, 1818418), (14, 1558644), (21, 1039096), (24, 909209), (28, 779322), (42, 519548), (56, 389661), (84, 259774), (168, 129887)]