21000746727

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{325487}}^1$

素因数の和:325667

約数の個数: 24

約数和(自身を含む): 31074990336

約数和(自身を除く): 10074243609

約数列:

[1, 3, 9, 67, 107, 201, 321, 603, 963, 7169, 21507, 64521, 325487, 976461, 2929383, 21807629, 34827109, 65422887, 104481327, 196268661, 313443981, 2333416303, 7000248909, 21000746727]

約数ペア:

[(1, 21000746727), (3, 7000248909), (9, 2333416303), (67, 313443981), (107, 196268661), (201, 104481327), (321, 65422887), (603, 34827109), (963, 21807629), (7169, 2929383), (21507, 976461), (64521, 325487)]