21376176

素因数分解:

$2^4\times 3^1\times {\mathrm{491}}^1\times {\mathrm{907}}^1$

素因数の和:1409

約数の個数: 40

約数和(自身を含む): 55395264

約数和(自身を除く): 34019088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 491, 907, 982, 1473, 1814, 1964, 2721, 2946, 3628, 3928, 5442, 5892, 7256, 7856, 10884, 11784, 14512, 21768, 23568, 43536, 445337, 890674, 1336011, 1781348, 2672022, 3562696, 5344044, 7125392, 10688088, 21376176]

約数ペア:

[(1, 21376176), (2, 10688088), (3, 7125392), (4, 5344044), (6, 3562696), (8, 2672022), (12, 1781348), (16, 1336011), (24, 890674), (48, 445337), (491, 43536), (907, 23568), (982, 21768), (1473, 14512), (1814, 11784), (1964, 10884), (2721, 7856), (2946, 7256), (3628, 5892), (3928, 5442)]