21463824

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3217}}^1$

素因数の和:3367

約数の個数: 40

約数和(自身を含む): 55864480

約数和(自身を除く): 34400656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3217, 3336, 6434, 6672, 9651, 12868, 19302, 25736, 38604, 51472, 77208, 154416, 447163, 894326, 1341489, 1788652, 2682978, 3577304, 5365956, 7154608, 10731912, 21463824]

約数ペア:

[(1, 21463824), (2, 10731912), (3, 7154608), (4, 5365956), (6, 3577304), (8, 2682978), (12, 1788652), (16, 1341489), (24, 894326), (48, 447163), (139, 154416), (278, 77208), (417, 51472), (556, 38604), (834, 25736), (1112, 19302), (1668, 12868), (2224, 9651), (3217, 6672), (3336, 6434)]