21279660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354661}}^1$

素因数の和:354673

約数の個数: 24

約数和(自身を含む): 59583216

約数和(自身を除く): 38303556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354661, 709322, 1063983, 1418644, 1773305, 2127966, 3546610, 4255932, 5319915, 7093220, 10639830, 21279660]

約数ペア:

[(1, 21279660), (2, 10639830), (3, 7093220), (4, 5319915), (5, 4255932), (6, 3546610), (10, 2127966), (12, 1773305), (15, 1418644), (20, 1063983), (30, 709322), (60, 354661)]