21266337

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{829}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 30119040

約数和(自身を除く): 8852703

約数列:

[1, 3, 17, 51, 503, 829, 1509, 2487, 8551, 14093, 25653, 42279, 416987, 1250961, 7088779, 21266337]

約数ペア:

[(1, 21266337), (3, 7088779), (17, 1250961), (51, 416987), (503, 42279), (829, 25653), (1509, 14093), (2487, 8551)]