21449904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63839}}^1$

素因数の和:63857

約数の個数: 40

約数和(自身を含む): 63329280

約数和(自身を除く): 41879376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63839, 127678, 191517, 255356, 383034, 446873, 510712, 766068, 893746, 1021424, 1340619, 1532136, 1787492, 2681238, 3064272, 3574984, 5362476, 7149968, 10724952, 21449904]

約数ペア:

[(1, 21449904), (2, 10724952), (3, 7149968), (4, 5362476), (6, 3574984), (7, 3064272), (8, 2681238), (12, 1787492), (14, 1532136), (16, 1340619), (21, 1021424), (24, 893746), (28, 766068), (42, 510712), (48, 446873), (56, 383034), (84, 255356), (112, 191517), (168, 127678), (336, 63839)]