21048160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18793}}^1$

素因数の和:18815

約数の個数: 48

約数和(自身を含む): 56833056

約数和(自身を除く): 35784896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18793, 37586, 75172, 93965, 131551, 150344, 187930, 263102, 300688, 375860, 526204, 601376, 657755, 751720, 1052408, 1315510, 1503440, 2104816, 2631020, 3006880, 4209632, 5262040, 10524080, 21048160]

約数ペア:

[(1, 21048160), (2, 10524080), (4, 5262040), (5, 4209632), (7, 3006880), (8, 2631020), (10, 2104816), (14, 1503440), (16, 1315510), (20, 1052408), (28, 751720), (32, 657755), (35, 601376), (40, 526204), (56, 375860), (70, 300688), (80, 263102), (112, 187930), (140, 150344), (160, 131551), (224, 93965), (280, 75172), (560, 37586), (1120, 18793)]