21417363

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:376

約数の個数: 36

約数和(自身を含む): 34607664

約数和(自身を除く): 13190301

約数列:

[1, 3, 9, 11, 33, 71, 99, 121, 213, 277, 363, 639, 781, 831, 1089, 2343, 2493, 3047, 7029, 8591, 9141, 19667, 25773, 27423, 33517, 59001, 77319, 100551, 177003, 216337, 301653, 649011, 1947033, 2379707, 7139121, 21417363]

約数ペア:

[(1, 21417363), (3, 7139121), (9, 2379707), (11, 1947033), (33, 649011), (71, 301653), (99, 216337), (121, 177003), (213, 100551), (277, 77319), (363, 59001), (639, 33517), (781, 27423), (831, 25773), (1089, 19667), (2343, 9141), (2493, 8591), (3047, 7029)]