21313593

素因数分解:

$3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{907}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 35317568

約数和(自身を除く): 14003975

約数列:

[1, 3, 7, 9, 21, 63, 373, 907, 1119, 2611, 2721, 3357, 6349, 7833, 8163, 19047, 23499, 57141, 338311, 1014933, 2368177, 3044799, 7104531, 21313593]

約数ペア:

[(1, 21313593), (3, 7104531), (7, 3044799), (9, 2368177), (21, 1014933), (63, 338311), (373, 57141), (907, 23499), (1119, 19047), (2611, 8163), (2721, 7833), (3357, 6349)]