21550871498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{653}}^1\times {\mathrm{11863}}^1$

素因数の和:12638

約数の個数: 32

約数和(自身を含む): 35195078016

約数和(自身を除く): 13644206518

約数列:

[1, 2, 13, 26, 107, 214, 653, 1306, 1391, 2782, 8489, 11863, 16978, 23726, 69871, 139742, 154219, 308438, 908323, 1269341, 1816646, 2538682, 7746539, 15493078, 16501433, 33002866, 100705007, 201410014, 828879673, 1657759346, 10775435749, 21550871498]

約数ペア:

[(1, 21550871498), (2, 10775435749), (13, 1657759346), (26, 828879673), (107, 201410014), (214, 100705007), (653, 33002866), (1306, 16501433), (1391, 15493078), (2782, 7746539), (8489, 2538682), (11863, 1816646), (16978, 1269341), (23726, 908323), (69871, 308438), (139742, 154219)]