21482433

素因数分解:

$3^2\times 7^3\times {\mathrm{6959}}^1$

素因数の和:6986

約数の個数: 24

約数和(自身を含む): 36192000

約数和(自身を除く): 14709567

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6959, 20877, 48713, 62631, 146139, 340991, 438417, 1022973, 2386937, 3068919, 7160811, 21482433]

約数ペア:

[(1, 21482433), (3, 7160811), (7, 3068919), (9, 2386937), (21, 1022973), (49, 438417), (63, 340991), (147, 146139), (343, 62631), (441, 48713), (1029, 20877), (3087, 6959)]