21447384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127663}}^1$

素因数の和:127679

約数の個数: 32

約数和(自身を含む): 61278720

約数和(自身を除く): 39831336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127663, 255326, 382989, 510652, 765978, 893641, 1021304, 1531956, 1787282, 2680923, 3063912, 3574564, 5361846, 7149128, 10723692, 21447384]

約数ペア:

[(1, 21447384), (2, 10723692), (3, 7149128), (4, 5361846), (6, 3574564), (7, 3063912), (8, 2680923), (12, 1787282), (14, 1531956), (21, 1021304), (24, 893641), (28, 765978), (42, 510652), (56, 382989), (84, 255326), (168, 127663)]