21460160

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:553

約数の個数: 56

約数和(自身を含む): 51511200

約数和(自身を除く): 30051040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 337, 398, 674, 796, 995, 1348, 1592, 1685, 1990, 2696, 3184, 3370, 3980, 5392, 6368, 6740, 7960, 10784, 12736, 13480, 15920, 21568, 26960, 31840, 53920, 63680, 67063, 107840, 134126, 268252, 335315, 536504, 670630, 1073008, 1341260, 2146016, 2682520, 4292032, 5365040, 10730080, 21460160]

約数ペア:

[(1, 21460160), (2, 10730080), (4, 5365040), (5, 4292032), (8, 2682520), (10, 2146016), (16, 1341260), (20, 1073008), (32, 670630), (40, 536504), (64, 335315), (80, 268252), (160, 134126), (199, 107840), (320, 67063), (337, 63680), (398, 53920), (674, 31840), (796, 26960), (995, 21568), (1348, 15920), (1592, 13480), (1685, 12736), (1990, 10784), (2696, 7960), (3184, 6740), (3370, 6368), (3980, 5392)]