21330160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14033}}^1$

素因数の和:14065

約数の個数: 40

約数和(自身を含む): 52206480

約数和(自身を除く): 30876320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 14033, 28066, 56132, 70165, 112264, 140330, 224528, 266627, 280660, 533254, 561320, 1066508, 1122640, 1333135, 2133016, 2666270, 4266032, 5332540, 10665080, 21330160]

約数ペア:

[(1, 21330160), (2, 10665080), (4, 5332540), (5, 4266032), (8, 2666270), (10, 2133016), (16, 1333135), (19, 1122640), (20, 1066508), (38, 561320), (40, 533254), (76, 280660), (80, 266627), (95, 224528), (152, 140330), (190, 112264), (304, 70165), (380, 56132), (760, 28066), (1520, 14033)]