21598677

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 11665323

約数列:

[1, 3, 9, 27, 41, 109, 123, 179, 327, 369, 537, 981, 1107, 1611, 2943, 4469, 4833, 7339, 13407, 19511, 22017, 40221, 58533, 66051, 120663, 175599, 198153, 526797, 799951, 2399853, 7199559, 21598677]

約数ペア:

[(1, 21598677), (3, 7199559), (9, 2399853), (27, 799951), (41, 526797), (109, 198153), (123, 175599), (179, 120663), (327, 66051), (369, 58533), (537, 40221), (981, 22017), (1107, 19511), (1611, 13407), (2943, 7339), (4469, 4833)]