21182916

素因数分解:

$2^2\times 3^1\times {\mathrm{1153}}^1\times {\mathrm{1531}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 49501984

約数和(自身を除く): 28319068

約数列:

[1, 2, 3, 4, 6, 12, 1153, 1531, 2306, 3062, 3459, 4593, 4612, 6124, 6918, 9186, 13836, 18372, 1765243, 3530486, 5295729, 7060972, 10591458, 21182916]

約数ペア:

[(1, 21182916), (2, 10591458), (3, 7060972), (4, 5295729), (6, 3530486), (12, 1765243), (1153, 18372), (1531, 13836), (2306, 9186), (3062, 6918), (3459, 6124), (4593, 4612)]