21829712

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 43872192

約数和(自身を除く): 22042480

約数列:

[1, 2, 4, 8, 16, 41, 82, 107, 164, 214, 311, 328, 428, 622, 656, 856, 1244, 1712, 2488, 4387, 4976, 8774, 12751, 17548, 25502, 33277, 35096, 51004, 66554, 70192, 102008, 133108, 204016, 266216, 532432, 1364357, 2728714, 5457428, 10914856, 21829712]

約数ペア:

[(1, 21829712), (2, 10914856), (4, 5457428), (8, 2728714), (16, 1364357), (41, 532432), (82, 266216), (107, 204016), (164, 133108), (214, 102008), (311, 70192), (328, 66554), (428, 51004), (622, 35096), (656, 33277), (856, 25502), (1244, 17548), (1712, 12751), (2488, 8774), (4387, 4976)]