21236584

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20235416

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 239, 383, 478, 766, 956, 1532, 1912, 3064, 6931, 11107, 13862, 22214, 27724, 44428, 55448, 88856, 91537, 183074, 366148, 732296, 2654573, 5309146, 10618292, 21236584]

約数ペア:

[(1, 21236584), (2, 10618292), (4, 5309146), (8, 2654573), (29, 732296), (58, 366148), (116, 183074), (232, 91537), (239, 88856), (383, 55448), (478, 44428), (766, 27724), (956, 22214), (1532, 13862), (1912, 11107), (3064, 6931)]