21315532

素因数分解:

$2^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{941}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 42729120

約数和(自身を除く): 21413588

約数列:

[1, 2, 4, 7, 14, 28, 809, 941, 1618, 1882, 3236, 3764, 5663, 6587, 11326, 13174, 22652, 26348, 761269, 1522538, 3045076, 5328883, 10657766, 21315532]

約数ペア:

[(1, 21315532), (2, 10657766), (4, 5328883), (7, 3045076), (14, 1522538), (28, 761269), (809, 26348), (941, 22652), (1618, 13174), (1882, 11326), (3236, 6587), (3764, 5663)]