21067149

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{607}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 29417472

約数和(自身を除く): 8350323

約数列:

[1, 3, 23, 69, 503, 607, 1509, 1821, 11569, 13961, 34707, 41883, 305321, 915963, 7022383, 21067149]

約数ペア:

[(1, 21067149), (3, 7022383), (23, 915963), (69, 305321), (503, 41883), (607, 34707), (1509, 13961), (1821, 11569)]