21006370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27281}}^1$

素因数の和:27306

約数の個数: 32

約数和(自身を含む): 47143296

約数和(自身を除く): 26136926

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27281, 54562, 136405, 190967, 272810, 300091, 381934, 600182, 954835, 1500455, 1909670, 2100637, 3000910, 4201274, 10503185, 21006370]

約数ペア:

[(1, 21006370), (2, 10503185), (5, 4201274), (7, 3000910), (10, 2100637), (11, 1909670), (14, 1500455), (22, 954835), (35, 600182), (55, 381934), (70, 300091), (77, 272810), (110, 190967), (154, 136405), (385, 54562), (770, 27281)]