21744981

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 32997120

約数和(自身を除く): 11252139

約数列:

[1, 3, 9, 31, 59, 93, 177, 279, 531, 1321, 1829, 3963, 5487, 11889, 16461, 40951, 77939, 122853, 233817, 368559, 701451, 2416109, 7248327, 21744981]

約数ペア:

[(1, 21744981), (3, 7248327), (9, 2416109), (31, 701451), (59, 368559), (93, 233817), (177, 122853), (279, 77939), (531, 40951), (1321, 16461), (1829, 11889), (3963, 5487)]